Name: 3031283
Brand: Phoenix Contact
SKU: PHX3031283
Price: 5.1000 CAD
Availability: InStock

All Connectors Terminal blocks Spring-cage connection

Official Distributor

By Phoenix Contact

SKU

MPN

STTB 2,5 BU

Weight

0.011 kg

This product is Not Cancellable/Not Returnable

Series STTB

STTB 2,5 BU - Double-level spring-cage terminal block

Double-level spring-cage terminal block, nom. voltage: 500 V, nominal current: 22 A, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting type: NS 35/7,5, NS 35/15, color: blue

Compact design for maximum space savings
Tested for railway applications

Technical Specifications

Product properties

Area of application	Railway industry
Area of application	Machine building
Area of application	Plant engineering
Area of application	Process industry
Number of Connections	4
Number of rows	2
Potentials	2

Insulation characteristics

Overvoltage category	III
Degree of pollution	3

Electrical properties

Rated surge voltage	6 kV
Maximum power dissipation for nominal condition	0.77 W

Connection data

Number of connections per level	2
Nominal cross section	2.5 mm²
Stripping length	8 mm ... 10 mm
Internal cylindrical gage	A3
Connection in acc. with standard	IEC 60947-7-1
Conductor cross section rigid	0.08 mm² ... 4 mm²
Cross section AWG	28 ... 12 (converted acc. to IEC)
Conductor cross section flexible	0.08 mm² ... 2.5 mm²
Conductor cross section, flexible [AWG]	28 ... 14 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve)	0.14 mm² ... 2.5 mm²
Flexible conductor cross section (ferrule with plastic sleeve)	0.14 mm² ... 2.5 mm²
2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve	0.5 mm²
Nominal Current	22 A
Maximum Load Current	26 A (with 4 mm² conductor cross section)
Nominal Voltage	500 V
Nominal cross section	2.5 mm²

Rated data (ATEX/IECEx)

Identification	 II 2 GD Ex eb IIC Gb
Operating temperature range	-60 °C ... 110 °C
Ex-certified accessories	3030459 D-STTB 2,5
Ex-certified accessories	3030747 ATP-STTB 4
Ex-certified accessories	1204517 SZF 1-0,6X3,5
Ex-certified accessories	3022276 CLIPFIX 35-5
Ex-certified accessories	3022218 CLIPFIX 35
List of bridges	Plug-in bridge / FBS 2-5 / 3030161
List of bridges	Plug-in bridge / FBS 3-5 / 3030174
List of bridges	Plug-in bridge / FBS 4-5 / 3030187
List of bridges	Plug-in bridge / FBS 5-5 / 3030190
List of bridges	Plug-in bridge / FBS 10-5 / 3030213
List of bridges	Plug-in bridge / FBS 20-5 / 3030226
Bridge data	17 A / 2.5 mm²
Ex temperature increase	40 K (21.9 A / 2.5 mm²)
Rated voltage	440 V
for bridging with bridge	440 V
- At bridging between non-adjacent terminal blocks	352 V
- At bridging between non-adjacent terminal blocks via PE terminal block	352 V
- At cut-to-length bridging with cover	220 V
- At cut-to-length bridging with partition plate	220 V
Rated Insulation Voltage	400 V
Output	(Permanent)

Ex level General

Rated current	19.5 A
Maximum Load Current	23.5 A

Ex connection data General

Nominal cross section	2.5 mm²
Rated cross section AWG	14
Connection capacity rigid	0.08 mm² ... 4 mm²
Connection capacity AWG	28 ... 12
Connection capacity flexible	0.08 mm² ... 2.5 mm²
Connection capacity AWG	28 ... 14
Output	(Permanent)

Ex level Level 1

Contact resistance	1.04 mΩ
Output	(Permanent)

Ex level Level 2

Contact resistance

0.83 mΩ

Dimensions

Width	5.2 mm
End cover width	2.2 mm
Height	67.5 mm
Depth on NS 35/7,5	47.5 mm
Depth on NS 35/15	55 mm

Material specifications

Color	blue
Flammability rating according to UL 94	V0
Insulating material group	I
Insulating material	PA
Static insulating material application in cold	-60 °C
Relative insulation material temperature index (Elec., UL 746 B)	130 °C
Fire protection for rail vehicles (DIN EN 45545-2) R22	HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R23	HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R24	HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R26	HL 1 - HL 3
Surface flammability NFPA 130 (ASTM E 162)	passed
Specific optical density of smoke NFPA 130 (ASTM E 662)	passed
Smoke gas toxicity NFPA 130 (SMP 800C)	passed

Surge voltage test

Test voltage setpoint	7.3 kV
Result	Test passed

Temperature-rise test

Requirement temperature-rise test	Increase in temperature ≤ 45 K
Result	Test passed
Short-time withstand current 2.5 mm²	0.3 kA
Short-time withstand current 2.5 mm²	0.3 kA
Result	Test passed

Power-frequency withstand voltage

Test voltage setpoint	1.89 kV
Result	Test passed

Mechanical data

Open side panel

Yes

Mechanical strength

Result

Test passed

Attachment on the carrier

DIN rail/fixing support	NS 32/NS 35
Test force setpoint	1 N
Result	Test passed

Test for conductor damage and slackening

Rotation speed	10 (+/- 2) rpm
Revolutions	135
Conductor cross section/weight	0.08 mm² / 0.1 kg
Conductor cross section/weight	2.5 mm² / 0.7 kg
Conductor cross section/weight	4 mm² / 0.9 kg
Result	Test passed

Aging

Temperature cycles	192
Result	Test passed

Needle-flame test

Time of exposure	30 s
Result	Test passed

Oscillation/broadband noise

Specification	DIN EN 50155 (VDE 0115-200):2018-05
Spectrum	Service life test category 2, bogie-mounted
Frequency	f1 = 5 Hz to f2 = 250 Hz
ASD level	6.12 (m/s²)²/Hz
Acceleration	3.12g
Test duration per axis	5 h
Test directions	X-, Y- and Z-axis
Result	Test passed

Shocks

Specification	DIN EN 50155 (VDE 0115-200):2008-03
Pulse shape	Half-sine
Acceleration	30g
Shock duration	18 ms
Number of shocks per direction	3
Test directions	X-, Y- and Z-axis (pos. and neg.)
Result	Test passed

Ambient conditions

Ambient Temperature (Operation)	-60 °C ... 110 °C (Operating temperature range incl. self-heating; for max. short-term operating temperature, see RTI Elec.)
Ambient temperature (storage/transport)	-25 °C ... 60 °C (for a short time, not exceeding 24 h, -60 °C to +70 °C)
Ambient temperature (assembly)	-5 °C ... 70 °C
Ambient temperature (actuation)	-5 °C ... 70 °C
Permissible humidity (operation)	20 % ... 90 %
Permissible humidity (storage/transport)	30 % ... 70 %

Standards and Regulations

Connection in acc. with standard

IEC 60947-7-1

Mounting

Mounting Type	NS 35/7,5
Mounting Type	NS 35/15

Accessories

3030459
3030459 - End cover, depth: 39.7 mm, width: 2.2 mm, height: 67.6 mm, color: gray
3030747
3030747 - Partition plate, depth: 53 mm, width: 2 mm, height: 88.7 mm, color: gray
1204517
1204517 - Actuation tool, for ST terminal blocks, also suitable for use as a bladed screwdriver, size: 0.6 x 3.5 x 100 mm, 2-component grip, with non-slip grip
0800967
0800967 -
3030941
3030941 - Warning cover, 5-pos., for terminal width: 5.2 mm
3039900
3039900 - Operating decal for the ST terminal block
1207608
1207608 - Actuation tool, for all 2.5 mm2 - 4.0 mm2 spring-cages
3062757
3062757 - Cover for conductor shaft, 10-pos., for spring cage terminal blocks (ST) and terminal blocks with push-in technology (PT) with a width of 5.2 mm
3032447
3032447 - Component connector, with 47 kOhm resistance for wire-break monitoring, pitch: 5.2 mm, depth: 34.8 mm, width: 4.1 mm, height: 8.9 mm, number of positions: 2, color: black
3061282
3061282 - Cover for actuation shaft, 5-pos., for spring-cage terminal blocks with width of 5.2 mm
3061282
3061282 - Cover for actuation shaft, 5-pos., for spring-cage terminal blocks with width of 5.2 mm
3030172
Wire bridge - FBSW 2-5/250MM
3030170
Wire bridge - FBSW 2-5/60MM
3030171
Wire bridge - FBSW 2-5/110MM
3030172
Wire bridge - FBSW 2-5/250MM
3030170
Wire bridge - FBSW 2-5/60MM
3030171
Wire bridge - FBSW 2-5/110MM
3030161
3030161 - Plug-in bridge, pitch: 5.2 mm, number of positions: 2, length: 23 mm, color: red
3030174
3030174 - Plug-in bridge, pitch: 5.2 mm, number of positions: 3, length: 23 mm, color: red
3030187
3030187 - Plug-in bridge, pitch: 5.2 mm, number of positions: 4, length: 23 mm, color: red
3030190
3030190 - Plug-in bridge, pitch: 5.2 mm, number of positions: 5, length: 23 mm, color: red
3030213
3030213 - Plug-in bridge, pitch: 5.2 mm, number of positions: 10, length: 23 mm, color: red
3030226
3030226 - Plug-in bridge, pitch: 5.2 mm, number of positions: 20, color: red
3038930
3038930 - Plug-in bridge, pitch: 5.2 mm, number of positions: 50, color: red
3033702
3033702 - Plug-in bridge, pitch: 5.2 mm, number of positions: 2, color: red
3001591
3001591 - Plug-in bridge, pitch: 5.2 mm, number of positions: 3, color: red
3001592
3001592 - Plug-in bridge, pitch: 5.2 mm, number of positions: 4, color: red
3001593
3001593 - Plug-in bridge, pitch: 5.2 mm, number of positions: 5, color: red
3033710
3033710 - Plug-in bridge, pitch: 5.2 mm, number of positions: 10, color: red
3036877
3036877 - Plug-in bridge, pitch: 5.2 mm, number of positions: 2, color: blue
3036880
3036880 - Plug-in bridge, pitch: 5.2 mm, number of positions: 3, color: blue
3036893
3036893 - Plug-in bridge, pitch: 5.2 mm, number of positions: 4, color: blue
3036903
3036903 - Plug-in bridge, pitch: 5.2 mm, number of positions: 5, color: blue
3036916
3036916 - Plug-in bridge, pitch: 5.2 mm, number of positions: 10, color: blue
3036929
3036929 - Plug-in bridge, pitch: 5.2 mm, number of positions: 20, color: blue
3032114
3032114 - Plug-in bridge, pitch: 5.2 mm, number of positions: 50, color: blue
0801733
0801733 - DIN rail perforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, galvanized, passivated with a thick layer, Standard profile, color: silver
0801681
0801681 - DIN rail, unperforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, galvanized, passivated with a thick layer, Standard profile, color: silver
1204119
1204119 - DIN rail perforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, Galvanized, white passivated, Standard profile, color: silver
1204122
1204122 - DIN rail, unperforated, Pack of 10 (20 m), acc. to EN 60715, material: Steel, Galvanized, white passivated, Standard profile, color: silver
0801704
0801704 - DIN rail, unperforated, Pack of 25 (50 m), acc. to EN 60715, material: Aluminum, uncoated, Standard profile, color: silver
1206421
1206421 - DIN rail perforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, galvanized, Standard profile, color: silver
1206434
1206434 - DIN rail, unperforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, galvanized, Standard profile, color: silver
0801762
0801762 - DIN rail, unperforated, Pack of 10 (20 m), acc. to EN 60715, material: Copper, uncoated, Standard profile, color: copper-colored
1206560
1206560 - DIN rail end piece, for DIN rail NS 35/7.5
1201730
1201730 - DIN rail perforated, Pack of 25 (50 m), similar to EN 60715, material: Steel, galvanized, passivated with a thick layer, Standard profile, color: silver
1201714
1201714 - DIN rail, unperforated, Pack of 25 (50 m), similar to EN 60715, material: Steel, galvanized, passivated with a thick layer, Standard profile, color: silver
0806602
0806602 - DIN rail perforated, Pack of 25 (50 m), similar to EN 60715, material: Steel, Galvanized, white passivated, Standard profile, color: white
1204135
1204135 - DIN rail, unperforated, Pack of 10 (20 m), similar to EN 60715, material: Steel, Galvanized, white passivated, Standard profile, color: silver
1201756
1201756 - DIN rail, unperforated, similar to EN 60715, material: Aluminum, uncoated, Standard profile, color: silver
1206599
1206599 - DIN rail perforated, Pack of 25 (50 m), similar to EN 60715, material: Steel, galvanized, Standard profile, color: silver
1206586
1206586 - DIN rail, unperforated, Pack of 25 (50 m), similar to EN 60715, material: Steel, galvanized, Standard profile, color: silver
1201895
1201895 - DIN rail, unperforated, Pack of 10 (20 m), similar to EN 60715, material: Copper, uncoated, Standard profile, color: copper-colored
1206573
1206573 - DIN rail end piece, for DIN rail NS 35/15
1201798
1201798 - DIN rail, unperforated, Pack of 10 (20 m), acc. to EN 60715, material: Steel, galvanized, passivated with a thick layer, Standard profile 2.3 mm, color: silver
0808642
0808642 -
0810821
0810821 -
0810863
0810863 -
0818153
0818153 -
0824638
Marker for terminal blocks - UC-TMF 5 CUS
0828744
0828744 -
3002843
3002843 - Insulating sleeve, color: white
3002856
3002856 - Insulating sleeve, color: gray
3002869
3002869 - Insulating sleeve, color: black
3035975
3035975 - 4 mm test adapter, for terminal blocks with 5.2 mm and 6.2 mm pitch
3035974
3035974 - 4 mm test adapter, for terminal blocks with 5.2 mm and 6.2 mm pitch
3035977
3035977 - 4 mm test adapter, for terminal blocks with 5.2 mm and 6.2 mm pitch
3035976
3035976 - 4 mm test adapter, for terminal blocks with 5.2 mm and 6.2 mm pitch
3035978
3035978 - 4 mm test adapter, for terminal blocks with 5.2 mm and 6.2 mm pitch
3035980
3035980 - 4 mm test adapter, for terminal blocks with 5.2 mm and 6.2 mm pitch
3035982
3035982 - 4 mm test adapter, for terminal blocks with 5.2 mm and 6.2 mm pitch
3035979
3035979 - 4 mm test adapter, for terminal blocks with 5.2 mm and 6.2 mm pitch
3035981
3035981 - 4 mm test adapter, for terminal blocks with 5.2 mm and 6.2 mm pitch
3035983
3035983 - 4 mm test adapter, for terminal blocks with 5.2 mm and 6.2 mm pitch
3030983
3030983 - Test plug, Modular test plug, number of positions: 1, color: red
3036725
3036725 - Spacer plate, depth: 29 mm, width: 5.2 mm, height: 22.4 mm, number of positions: 1, color: red
3038723
3038723 - Test plug, number of positions: 1, color: red
3022218
3022218 - Quick mounting end clamp for NS 35/7,5 DIN rail or NS 35/15 DIN rail, with marking option, width: 9.5 mm, color: gray
3022276
3022276 - Quick mounting end clamp for NS 35/7,5 DIN rail or NS 35/15 DIN rail, with marking option, with parking option for FBS...5, FBS...6, KSS 5, KSS 6, width: 5.15 mm, color: gray
0800886
0800886 - End clamp, width: 9.5 mm, color: gray
1201442
1201442 - End bracket, Mounting on a DIN rail NS 32 or NS 35, material: PA, color: gray
1201413
1201413 - End clamps, for supporting the ends of double-level and three-level terminal blocks, width: 10 mm, color: gray

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Additional Information

Pack Size

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3035519
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3031555
3031555 - Component terminal block, The max. current is determined by the diode. Installed: Diode 1N 4007, reverse voltage: 1300 V, maximum continuous current: 0.5 A., with integrated diode, nom. voltage: 500 V, nominal current: 0.5 A, 1st and 2nd level, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting: NS 35/7,5, NS 35/15, color: gray
3031564
3031564 - Component terminal block, with integrated diode 1N 5408K, nom. voltage: 500 V, nominal current: 1.5 A, 1st and 2nd level, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting: NS 35/7,5, NS 35/15, color: gray
3031571
3031571 - Component terminal block, The max. current is determined by the diode. Installed: Diode 1N 4007, reverse voltage: 1300 V, maximum continuous current: 0.5 A., with integrated diode, nom. voltage: 500 V, nominal current: 0.5 A, 1st and 2nd level, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting: NS 35/7,5, NS 35/15, color: gray
3031563
3031563 - Component terminal block, The max. current is determined by the diode. Installed: Diode 1N 4007, reverse voltage: 1300 V, maximum continuous current: 0.5 A., with integrated diode, nom. voltage: 500 V, nominal current: 0.5 A, 1st and 2nd level, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting: NS 35/7,5, NS 35/15, color: gray
1047533
1047533 - Component terminal block, The max. current is determined by the diode. Installed: Diode 1N 4007, reverse voltage: 1300 V, maximum continuous current: 0.5 A., with integrated diode, nom. voltage: 500 V, nominal current: 0.5 A, 1st and 2nd level, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting: NS 35/7,5, NS 35/15, color: gray
3031556
3031556 - Component terminal block, with integrated diode 1N 5408K, nom. voltage: 500 V, nominal current: 1.5 A, 1st and 2nd level, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting: NS 35/7,5, NS 35/15, color: gray
3031539
3031539 - Double-level terminal block, with equipotential bonder, nom. voltage: 500 V, nominal current: 22 A, connection method: Spring-cage connection, 1st and 2nd level, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting type: NS 35/7,5, NS 35/15, color: gray
3031623
3031623 - Component terminal block, nom. voltage: 250 V, nominal current: 22 A, 1st and 2nd level, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting: NS 35/7,5, NS 35/15, color: gray
3035564
3035564 - Double-level spring-cage terminal block, with temperature sensor, nom. voltage: 500 V, nominal current: 22 A, connection method: Spring-cage connection, 1st and 2nd level, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting type: NS 35/7,5, NS 35/15, color: gray
3031610
3031610 - Component terminal block, nom. voltage: 250 V, nominal current: 22 A, 1st and 2nd level, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting: NS 35/7,5, NS 35/15, color: gray
3037630
3037630 - Component terminal block, nom. voltage: 250 V, nominal current: 22 A, 1st and 2nd level, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting: NS 35/7,5, NS 35/15, color: gray
3031607
3031607 - Component terminal block, nom. voltage: 250 V, nominal current: 22 A, 1st and 2nd level, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting: NS 35/7,5, NS 35/15, color: gray
3035441
3035441 - Component terminal block, with integrated diode, nom. voltage: 500 V, nominal current: 0.5 A, 1st and 2nd level, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting: NS 35/7,5, NS 35/15, color: gray
3035108
3035108 - Double-level terminal block, with equipotential bonder, nom. voltage: 500 V, nominal current: 22 A, number of connections: 4, connection method: Spring-cage connection, 1st and 2nd level, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting type: NS 35/7,5, NS 35/15, color: blue
3036026
3036026 - Protective conductor double-level terminal block, number of connections: 4, connection method: Spring-cage connection, cross section: 0.08 mm2 - 4 mm2, mounting type: NS 35/7,5, NS 35/15, color: green-yellow
3036314
3036314 - Protective conductor double-level terminal block, nom. voltage: 500 V, nominal current: 22 A, connection method: Spring-cage connection, 1st and 2nd level, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting type: NS 35/7,5, NS 35/15, color: gray-yellow-green
3036327
3036327 - Protective conductor double-level terminal block, nom. voltage: 500 V, nominal current: 22 A, connection method: Spring-cage connection, 1st and 2nd level, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting type: NS 35/7,5, NS 35/15, color: gray

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