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MINIATURE CIRCUIT-BREAKER S503-K20
Product code
3210177
S503-K20 High Performance Circuit Breaker HPCB
The S500 high perfomance circuit breaker fullfils he requirement of larger short-circuit currents, thus in turn placing heavy demands on protective sitchgear reagrding safety, reliability and switching capacities. It is equipped with thermal and / or electromagentic release to protect circuits, motors, switchgear and systems from the effect of overload and short cicruit currents.
Product details
Technical specifications
Product class (ETIM)Miniature circuit breaker (MCB) (EC000042)
Built-in depth92 mm
Release characteristicK
Number of poles (total)3
Number of protected poles3
Rated current20 A
Rated voltage690 V
Rated short-circuit breaking capacity Icn according to EN 60898 at 230 V25 kA
Voltage typeAC
Rated short-circuit breaking capacity Icn according to EN 60898 at 400 V25 kA
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 230 V30 kA
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 400 V30 kA
Frequency50 - 50 Hz
Concurrently switching neutral conductorno
Overvoltage category3
Pollution degree2
Product codes
SAPABC668
STK3210177
PLC3210177
GTIN/EAN7612270303656
Manufacturer part numberS503-K20
Vendor material number3210177