Name: 2794903
Brand: Phoenix Contact
SKU: PHX2794903

Official Distributor

By Phoenix Contact

SKU

Weight

0.048 kg

Surge protection device - TT-SLKK5/ 24DC

Terminal block with varistor as surge voltage protection between clamping connector and DIN rail, separate ground connection, nominal voltage: 24 V DC, mounting on NS 35/7.5, terminal width: 6.2 mm, terminal height: 69 mm

Protective element between the feed-through terminal block and the metal mounting foot
Terminal blocks with screw connection technology

Dimensions

Height	69.5 mm
Width	6.2 mm
Length	66.5 mm

Ambient conditions

Ambient Temperature (Operation)	-40 °C ... 85 °C
Degree of Protection	IP20

General

Housing Material	PA
Flammability rating according to UL 94	V-2
Color	black
Mounting Type	DIN rail: 35 mm
Type	Single-level terminal block – separate PE connection
Direction of action	Line-Earth Ground

Protective circuit

IEC test classification	C1
IEC test classification	C2
IEC test classification	C3
VDE requirement class	C1
VDE requirement class	C2
VDE requirement class	C3
Nominal voltage U_N	24 V DC
Maximum continuous voltage U_C	31 V DC
Maximum continuous voltage U_C	25 V AC
Rated current	32 A (50 °C)
Operating effective current I_C at U_C	≤ 30 µA
Residual current I_PE	≤ 30 µA
Nominal discharge current I_n (8/20) µs (line-earth)	700 A
Total discharge current I_total (8/20) µs	2 kA
Max. discharge current I_max (8/20) µs maximum (line-earth)	2 kA
Nominal pulse current Ian (10/1000) µs (line-earth)	70 A
Output voltage limitation at 1 kV/µs (line-earth) spike	≤ 90 V
Output voltage limitation at 1 kV/µs (line-earth) static	≤ 80 V
Residual voltage at I_n (line-earth)	≤ 125 V
Response time t_A (line-earth)	≤ 25 ns
Cut-off frequency fg (3 dB), asym. (PE) in 150 Ω system	typ. 300 kHz
Surge protection fault message	none

Connection data

Connection Method	Screw connection
Connection method IN	Screw terminal blocks
Connection method OUT	Screw terminal blocks
Screw thread	M3
Tightening torque	0.8 Nm
Stripping length	8 mm
Conductor cross section flexible	0.2 mm² ... 4 mm²
Conductor cross section solid	0.2 mm² ... 4 mm²
Conductor cross section AWG	24 ... 12

Standards and Regulations

Standards/regulations

IEC 61643-21

Environmental Product Compliance

REACh SVHC	4-Nonylphenol, branched and linear
China RoHS	Environmentally friendly use period: unlimited = EFUP-e
China RoHS	No hazardous substances above threshold values

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Pack Size

2794916
Surge protection device - TT-SLKK5/ 48DC
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TT-SLKK5/ 60DC, Modular terminal block with varistor as surge voltage protection between clamping connector and DIN rail, separate ground connection, nominal voltage: 60 V DC, mounting on NS 35/7.5, terminal width: 6.2 mm, terminal height: 69 mm
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TT-SLKK5/ 24AC, Modular terminal block with varistor as surge voltage protection between clamping connector and DIN rail, separate ground connection, nominal voltage: 24 V AC, mounting on NS 35/7.5, terminal width: 6.2 mm, terminal height: 69 mm
2794961
TT-SLKK5/ 48AC, Modular terminal block with varistor as surge voltage protection between clamping connector and DIN rail, separate ground connection, nominal voltage: 48 V AC, mounting on NS 35/7.5, terminal width: 6.2 mm, terminal height: 69 mm
2794974
TT-SLKK5/ 60AC, Modular terminal block with varistor as surge voltage protection between clamping connector and DIN rail, separate ground connection, nominal voltage: 60 V AC, mounting on NS 35/7.5, terminal width: 6.2 mm, terminal height: 69 mm

2794903