Siemens 5SD74143 Switchboard Surge protection 50 kA 1pc

The Siemens 5SD74143 switchboard surge protection device offers a surge current capacity of 50 kA, providing robust protection for electrical systems. Designed for integration into switchboards, it is ideal for safeguarding sensitive equipment from voltage spikes. Typical applications include industrial, commercial, and residential electrical installations.

Type	Switchboard surge protection
Category type 2	TRUE
Construction size	4 modular spacing
Degree of protection (IP)	IP20
Dim	(L x W x H) 77.5 x 71.2 x 98.7 mm
Height	98.7mm
Integrated backup fuse	FALSE
Integrated short-circuit protection	false
Integrated short-circuit protection selective to fuse gG	N/A
IP Rating	IP20
Leakage Current	50kA
Leakage-current free	N/A
Length	77.5mm
Max. conductor cross section flexible (fine-strand)	25mm²
Max. conductor cross section solid (solid, stranded)	35mm²
Max. continuous voltage AC	335V
Max. continuous voltage DC	N/A
Max. discharge surge current (8/20)	50
Max. overcurrent protection device, parallel connection (fuse)	160
Max. overcurrent protection device, series connection (fuse)	80
Max. PV-voltage	N/A
Misc Attribute	Material: PA 6.6/PBT
Mounting method	N/A
Nominal discharge surge current (8/20)	N/A
Nominal voltage AC	230V
Nominal voltage DC	N/A
Number of conductors (without earthing)	3
Operating Temperature	-40 °C - +80°C
Product colour	Multicolour
Short-circuit breaking capacity (Isccr)	25
Signalling at the device	Optic
System configuration DC	FALSE
System configuration IT	FALSE
System configuration other	FALSE
System configuration TN	FALSE
System configuration TN-C	FALSE
System configuration TN-C-S	FALSE
System configuration TN-S	FALSE
System configuration TT	FALSE
Voltage protection level	N/A
Voltage protection level L-N	1.2kV
Voltage protection level N-PE	1.7kV
Voltage Rating	230V
Weight	682g
Width	71.2mm
With remote signalling contact	TRUE