Weidműller 2730740000 Surge Arrester Type II For Overvoltage Protection

Weidmüller VPU AC II US 4 400/50 is a Surge arrester AC (Type 2), Mains voltage: 277 V / 480 V, Low voltage network: TN-S, TN-C-S, Number of poles: 4. The device is a Type II surge protection and is also tested as Type III device. It can be installed in the sub distribution board and also can protect the following end devices against surge voltages caused by switch operations or indirect lightning. The portfolio offers a wide range of applications with different nominal voltages, suitability for various types of main voltages and worldwide usage in high-elevation regions and long warranty. All devices can be installed in various applications.

Type	SPD
Category type 2	true
Construction size	4 modular spacing
Degree of protection (IP)	IP20
Integrated backup fuse	false
Integrated short-circuit protection	false
Integrated short-circuit protection selective to fuse gG	315
Leakage-current free	false
Max. conductor cross section flexible (fine-strand)	25
Max. conductor cross section solid (solid, stranded)	35
Max. continuous voltage AC	480
Max. discharge surge current (8/20)	50
Max. overcurrent protection device, parallel connection (fuse)	315
Mounting method	DIN rail (top hat rail) 35 mm
Nominal voltage AC	400
Number of conductors (without earthing)	4
Short-circuit breaking capacity (Isccr)	50
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	false
System configuration TN-S	false
System configuration TT	false
Voltage protection level L-N	2300
Voltage protection level N-PE	1500
With remote signalling contact	false