Weidműller 1438020000 Surge Voltage Arrester With Remote Contact

Weidmüller VPU I 4 R 400V/25KA is a Combined surge arrester AC (Type 1+2), Mains voltage: 230 V / 400 V, 400 V / 690 V, Low voltage network: TN-C-S, TN-S, Number of poles: 4. The device is a Type I lightning and surge protection and is also tested as Type II device. It can be installed in the main and sub distribution board and protects against direct lightning strikes and surge voltages caused by switching operations or indirect lightning. The portfolio offers suitability for various types of main voltage, worldwide usage in high-elevation regions and long warranty. All devices can be installed in various applications.

Type	SPD
Construction size	8 modular spacing
Degree of protection (IP)	IP20
Energy-coordinated protection effect with regard to the terminal equipment	true
Integrated backup fuse	false
Lightning impulse current (10/350 µs)	25
Max. conductor cross section flexible (fine-strand)	25
Max. conductor cross section solid (solid, stranded)	16
Max. continuous voltage AC	400
Max. overcurrent protection device, parallel connection (fuse)	250
Max. overcurrent protection device, series connection (fuse)	250
Mounting method	DIN rail (top hat rail) 35 mm
Nominal voltage AC	400
Number of Poles	4
Overcurrent protected voltage tapping	false
Remote signalling	true
Signalling at the device	Optical
System configuration DC	false
System configuration IT	false
System configuration TN	false
System configuration TN-C	false
System configuration TN-C-S	true
System configuration TN-S	true
System configuration TT	false
Test class	Type 1 + 2
Voltage protection level	1.9
Voltage protection level L-N	1.9
Voltage protection level L-PE	1.9
Voltage protection level N-PE	1.9
Voltage switching spark gap technology	false