OBOV20-CType 2 / Class C Surge Arrester, In 20 kA, Imax 40 kA per Pin, Up 1.3 kV, Plug-In Cover on Multibase, DIN Rail

Product Description

What this part is:

OBO Bettermann V 20-C is a DIN-rail Type 2 (Class C) surge arrester for equipment protection and equipotential bonding in main and sub-distribution boards. Class: Type 2 / Class C per EN 61643-11 (VDE 0675 parts 6-11). Mounting Type: DIN rail. Construction: plug-in arrester cover on a Multibase base with multiple connection terminals. The cover separates from the base by hand without tools.

Decoding the designation:

V — OBO surge arrester (Varistor / Überspannungsableiter) for power supply systems.

20 — 20 kA nominal discharge current class.

C — Class C, Type 2 under EN 61643-11.

Suffix — full order codes add pole configuration and continuous voltage, for example V20-C/1-280 for a single-pole 280 V unit and V20-C/3+NPE-280 for a three-pole plus N-PE set. The suffix is printed on the device label.

Specifications:

Nominal discharge current In (8/20 µs): 20 kA. Maximum surge current Imax (8/20 µs): 40 kA per pin. Protection level Up: 1.3 kV. Rated voltage: 230 V AC. Highest continuous operating voltage: 280 V AC on the -280 versions. Arrester element: encapsulated, non-extinguishing zinc-oxide varistor. Protection features: dynamic cut-off unit (thermal disconnector) and visual function display window. Series: V 20-C. Base Number: V20-C. Unit Quantity: 1 Pc.

Dimensions and mounting:

Mounting Type: DIN rail. Application: distributor housings, main and sub-distribution boards. The V 20-C is catalogued as a complete unit of cover plus base, supplied pre-assembled.

Compatibility and replacement:

V20-C/1, /2, /3 and /3+NPE differ in pole count. The -150, -280 and -1000 designations differ in continuous operating voltage. V20-C+NPE400+IR adds remote signalling. MPN Variants: V20-C, V20C, V 20-C, V-20-C, V20 C.

Frequently asked questions:

What type of surge arrester is the OBO V 20-C?

Type 2 (Class C) per EN 61643-11, with In 20 kA and Imax 40 kA per pin.

What is the protection level of the V 20-C?

Up 1.3 kV.

How does the V 20-C mount?

On a DIN rail. The plug-in cover sits on a Multibase base and separates by hand without tools.