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Phoenix Contact 3031157
AllConnectorsTerminal blocksSpring-cage connection
Phoenix ContactOfficial Distributor

By Phoenix Contact

SKU
MPN
STTB 1,5
Weight
0.009 kg
Series STTB

STTB 1,5 - Double-level spring-cage terminal block

Double-level spring-cage terminal block, nom. voltage: 500 V, nominal current: 17.5 A, connection method: Spring-cage connection, 1st and 2nd level, Rated cross section: 1.5 mm2, cross section: 0.08 mm2 - 1.5 mm2, mounting type: NS 35/7,5, NS 35/15, color: gray

  • Compact design for maximum space savings
  • Tested for railway applications
  • Connect the levels using FBS ...-PV bridges
Technical Specifications

Product properties

Product familyST
Area of applicationRailway industry
Area of applicationMachine building
Area of applicationPlant engineering
Area of applicationProcess industry
Number of Connections4
Number of rows2
Potentials2

Insulation characteristics

Overvoltage categoryIII
Degree of pollution3

Electrical properties

Rated surge voltage6 kV
Maximum power dissipation for nominal condition0.56 W

Connection data

Number of connections per level2
Nominal cross section1.5 mm²

1st and 2nd level

Stripping length10 mm
Internal cylindrical gageA1
Connection in acc. with standardIEC 60947-7-1
Conductor cross section rigid0.08 mm² ... 1.5 mm²
Cross section AWG28 ... 16 (converted acc. to IEC)
Conductor cross section flexible0.08 mm² ... 1.5 mm²
Conductor cross section, flexible [AWG]28 ... 16 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve)0.14 mm² ... 1.5 mm²
Flexible conductor cross section (ferrule with plastic sleeve)0.14 mm² ... 1.5 mm²
2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve0.5 mm²
Nominal Current17.5 A
Maximum Load Current17.5 A (with 1.5 mm² conductor cross section)
Nominal Voltage500 V
Nominal cross section1.5 mm²

Rated data (ATEX/IECEx)

Identification II 2 GD  Ex eb IIC Gb
Operating temperature range-60 °C ... 110 °C
Ex-certified accessories3030459 D-STTB 2,5
Ex-certified accessories3030747 ATP-STTB 4
Ex-certified accessories1204504 SZF 0-0,4X2,5
Ex-certified accessories3022276 CLIPFIX 35-5
Ex-certified accessories3022218 CLIPFIX 35
List of bridgesPlug-in bridge / FBS 2-4 / 3030116
List of bridgesPlug-in bridge / FBS 3-4 / 3030129
List of bridgesPlug-in bridge / FBS 4-4 / 3030132
List of bridgesPlug-in bridge / FBS 5-4 / 3030145
List of bridgesPlug-in bridge / FBS 10-4 / 3030158
List of bridgesPlug-in bridge / FBS 20-4 / 3030352
Bridge data13.5 A / 1.5 mm²
Ex temperature increase40 K (17.3 A/1.5 mm²)
Rated voltage440 V
for bridging with bridge440 V
- At bridging between non-adjacent terminal blocks352 V
- At bridging between non-adjacent terminal blocks via PE terminal block352 V
Rated Insulation Voltage400 V
Output(Permanent)

Ex level General

Rated current15.5 A
Maximum Load Current15.5 A

Ex connection data General

Nominal cross section1.5 mm²
Rated cross section AWG16
Connection capacity rigid0.08 mm² ... 1.5 mm²
Connection capacity AWG28 ... 16
Connection capacity flexible0.08 mm² ... 1.5 mm²
Connection capacity AWG28 ... 16
Output(Permanent)

Ex level Level 1

Contact resistance1.04 mΩ
Output(Permanent)

Ex level Level 2

Contact resistance0.96 mΩ

Dimensions

Width4.2 mm
End cover width2.2 mm
Height67.5 mm
Depth on NS 35/7,547.5 mm
Depth on NS 35/1555 mm

Material specifications

Colorgray
Flammability rating according to UL 94V0
Insulating material groupI
Insulating materialPA
Static insulating material application in cold-60 °C
Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21))125 °C
Relative insulation material temperature index (Elec., UL 746 B)130 °C
Fire protection for rail vehicles (DIN EN 45545-2) R22HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R23HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R24HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R26HL 1 - HL 3
Calorimetric heat release NFPA 130 (ASTM E 1354)27,5 MJ/kg
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

ResultTest passed

Temperature-rise test

Requirement temperature-rise testIncrease in temperature ≤ 45 K
ResultTest passed
Short-time withstand current 1.5 mm²0.18 kA
ResultTest passed

Power-frequency withstand voltage

Test voltage setpoint1.89 kV
ResultTest passed

Mechanical data

Open side panelYes

Mechanical strength

ResultTest passed

Attachment on the carrier

Test force setpoint1 N
ResultTest passed

Test for conductor damage and slackening

Rotation speed10 rpm
Revolutions135
Conductor cross section/weight0.08 mm² / 0.1 kg
Conductor cross section/weight1.5 mm² / 0.4 kg
ResultTest passed

Aging

Temperature cycles192
ResultTest passed

Needle-flame test

Time of exposure30 s
ResultTest passed

Oscillation/broadband noise

SpecificationDIN EN 50155 (VDE 0115-200):2008-03
SpectrumService life test category 2, bogie-mounted
Frequencyf1 = 5 Hz to f2 = 250 Hz
ASD level6.12 (m/s²)²/Hz
Acceleration3.12g
Test duration per axis5 h
Test directionsX-, Y- and Z-axis
ResultTest passed

Shocks

SpecificationDIN EN 50155 (VDE 0115-200):2008-03
Pulse shapeHalf-sine
Acceleration30g
Shock duration18 ms
Number of shocks per direction3
Test directionsX-, Y- and Z-axis (pos. and neg.)
ResultTest 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 standardIEC 60947-7-1

Mounting

Mounting TypeNS 35/7,5
Mounting TypeNS 35/15
Accessories
  • Phoenix Contact3030459
    3030459
    3030459 - End cover, depth: 39.7 mm, width: 2.2 mm, height: 67.6 mm, color: gray
  • Phoenix Contact3030747
    3030747
    3030747 - Partition plate, depth: 53 mm, width: 2 mm, height: 88.7 mm, color: gray
  • Phoenix Contact0810575
    0810575
    0810575 -
  • Phoenix Contact3030958
    3030958
    3030958 -
  • Phoenix Contact1204504
    1204504
    Screwdriver - SZF 0-0,4X2,5
  • Phoenix Contact3039900
    3039900
    3039900 - Operating decal for the ST terminal block
  • Phoenix Contact3030116
    3030116
    3030116 - Plug-in bridge, pitch: 4.2 mm, number of positions: 2, color: red
  • Phoenix Contact3030129
    3030129
    3030129 - Plug-in bridge, pitch: 4.2 mm, number of positions: 3, color: red
  • Phoenix Contact3030132
    3030132
    3030132 - Plug-in bridge, pitch: 4.2 mm, number of positions: 4, color: red
  • Phoenix Contact3030145
    3030145
    3030145 - Plug-in bridge, pitch: 4.2 mm, number of positions: 5, color: red
  • Phoenix Contact3030158
    3030158
    3030158 - Plug-in bridge, pitch: 4.2 mm, number of positions: 10, color: red
  • Phoenix Contact3030352
    3030352
    3030352 - Plug-in bridge, pitch: 4.2 mm, number of positions: 20, color: red
  • Phoenix Contact3030117
    3030117
    3030117 - Plug-in bridge, pitch: 4.2 mm, number of positions: 2, color: blue
  • Phoenix Contact3030130
    3030130
    3030130 - Plug-in bridge, pitch: 4.2 mm, number of positions: 3, color: blue
  • Phoenix Contact3030133
    3030133
    3030133 - Plug-in bridge, pitch: 4.2 mm, number of positions: 4, color: blue
  • Phoenix Contact0801733
    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
  • Phoenix Contact0801681
    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
  • Phoenix Contact1204119
    1204119
    1204119 - DIN rail perforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, Galvanized, white passivated, Standard profile, color: silver
  • Phoenix Contact1204122
    1204122
    1204122 - DIN rail, unperforated, Pack of 10 (20 m), acc. to EN 60715, material: Steel, Galvanized, white passivated, Standard profile, color: silver
  • Phoenix Contact0801704
    0801704
    0801704 - DIN rail, unperforated, Pack of 25 (50 m), acc. to EN 60715, material: Aluminum, uncoated, Standard profile, color: silver
  • Phoenix Contact1206421
    1206421
    Profilé percé, Conditionnement par 25 unités (50 m), selon EN 60715, matériau: Acier, galvanisé, Profil standard, coloris: argenté
  • Phoenix Contact1206434
    1206434
    1206434 - DIN rail, unperforated, Pack of 25 (50 m), acc. to EN 60715, material: Steel, galvanized, Standard profile, color: silver
  • Phoenix Contact0801762
    0801762
    0801762 - DIN rail, unperforated, Pack of 10 (20 m), acc. to EN 60715, material: Copper, uncoated, Standard profile, color: copper-colored
  • Phoenix Contact1206560
    1206560
    1206560 - DIN rail end piece, for DIN rail NS 35/7.5
  • Phoenix Contact1201730
    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
  • Phoenix Contact1201714
    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
  • Phoenix Contact0806602
    0806602
    0806602 - DIN rail perforated, Pack of 25 (50 m), similar to EN 60715, material: Steel, Galvanized, white passivated, Standard profile, color: white
  • Phoenix Contact1204135
    1204135
    1204135 - DIN rail, unperforated, Pack of 10 (20 m), similar to EN 60715, material: Steel, Galvanized, white passivated, Standard profile, color: silver
  • Phoenix Contact1201756
    1201756
    1201756 - DIN rail, unperforated, similar to EN 60715, material: Aluminum, uncoated, Standard profile, color: silver
  • Phoenix Contact1206599
    1206599
    1206599 - DIN rail perforated, Pack of 25 (50 m), similar to EN 60715, material: Steel, galvanized, Standard profile, color: silver
  • Phoenix Contact1206586
    1206586
    1206586 - DIN rail, unperforated, Pack of 25 (50 m), similar to EN 60715, material: Steel, galvanized, Standard profile, color: silver
  • Phoenix Contact1201895
    1201895
    1201895 - DIN rail, unperforated, Pack of 10 (20 m), similar to EN 60715, material: Copper, uncoated, Standard profile, color: copper-colored
  • Phoenix Contact1206573
    1206573
    1206573 - DIN rail end piece, for DIN rail NS 35/15
  • Phoenix Contact1201798
    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
  • Phoenix Contact0808587
    0808587
    Zack Marker strip, flat - ZBF 4:UNBEDRUCKT
  • Phoenix Contact0808626
    0808626
    Zack Marker strip, flat - ZBF 4,LGS:FORTL.ZAHLEN
  • Phoenix Contact0808820
    0808820
    Zack Marker strip, flat - ZBF 4,QR:FORTL.ZAHLEN
  • Phoenix Contact0810818
    0810818
    0810818 -
  • Phoenix Contact0810850
    0810850
    0810850 -
  • Phoenix Contact0818166
    0818166
    0818166 -
  • Phoenix Contact0828742
    0828742
    Marker for terminal blocks - UCT-TMF 4
  • Phoenix Contact3206131
    3206131
    3206131 - Insulating sleeve, color: white
  • Phoenix Contact3031034
    3031034
    3031034 - Insulating sleeve, color: gray
  • Phoenix Contact3030925
    3030925
    Test adapter - PAI-4
  • Phoenix Contact3030970
    3030970
    Test plugs - PS-4
  • Phoenix Contact3036712
    3036712
    3036712 - Spacer plate, depth: 29 mm, width: 4.2 mm, height: 22.4 mm, number of positions: 1, color: red
  • Phoenix Contact3022218
    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
  • Phoenix Contact3022276
    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
  • Phoenix Contact0800886
    0800886
    0800886 - End clamp, width: 9.5 mm, color: gray
  • Phoenix Contact1201442
    1201442
    1201442 - End bracket, Mounting on a DIN rail NS 32 or NS 35, material: PA, color: gray
  • Phoenix Contact1201413
    1201413
    1201413 - End clamps, for supporting the ends of double-level and three-level terminal blocks, width: 10 mm, color: gray
  • Phoenix Contact2904724
    2904724
    2904724 - VIP power cabling, universal front adapter for connection to all popular 20-pos. SIMATIC S7-300 I/O modules, via 20 individual wires in rope structure, not assembled (field connection, e.g., via 20 modular terminal blocks)
  • Phoenix Contact2904725
    2904725
    2904725 - VIP power cabling, universal front adapter for connection to all popular 20-pos. SIMATIC S7-300 I/O modules, via 20 individual wires in rope structure, not assembled (field connection, e.g., via 20 modular terminal blocks)
  • Phoenix Contact2904726
    2904726
    VIP-PA-PWR/20XOE/ 3,0M/S7, VIP power cabling, universal front adapter for connection to all popular 20-pos. SIMATIC S7-300 I/O modules, via 20 individual wires in rope structure, not assembled (field connection, e.g., via 20 modular terminal blocks), cable length: 3 m
  • Phoenix Contact2904730
    2904730
    VIP-PA-PWR/20XOE/10,0M/S7, VIP power cabling, universal front adapter for connection to all popular 20-pos. SIMATIC S7-300 I/O modules, via 20 individual wires in rope structure, not assembled (field connection, e.g., via 20 modular terminal blocks), cable length: 10 m
  • Phoenix Contact2904731
    2904731
    VIP-Power Cabling, adaptateur frontal universel pour la connexion à tous les modules E/S courants à 40 pôles SIMATIC S7-300, via 40 fils uniques réunis en un câble, non équipés (connexion sur le terrain par ex. sur 40 blocs de jonction)
  • Phoenix Contact2904732
    2904732
    2904732 - VIP power cabling, universal front adapter for connection to all popular 40-pos. SIMATIC S7-300 I/O modules, via 40 individual wires in rope structure, not assembled (field connection, e.g., via 40 modular terminal blocks)
  • Phoenix Contact2904733
    2904733
    VIP-PA-PWR/40XOE/ 3,0M/S7, VIP power cabling, universal front adapter for connection to all popular 40-pos. SIMATIC S7-300 I/O modules, via 40 individual wires in rope structure, not assembled (field connection, e.g., via 40 modular terminal blocks), cable length: 3 m
  • Phoenix Contact2904737
    2904737
    VIP-PA-PWR/40XOE/10,0M/S7, VIP power cabling, universal front adapter for connection to all popular 40-pos. SIMATIC S7-300 I/O modules, via 40 individual wires in rope structure, not assembled (field connection, e.g., via 40 modular terminal blocks), cable length: 10 m

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Additional Information

Pack Size50
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  • Phoenix Contact3040753
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