Siemens 3WN6421-0HV58-3KA1 Fixed-Mounted Circuit Breaker
Siemens 1600A fixed-mounted 3-pole circuit breaker up to 690V.
The Siemens 3WN6421-0HV58-3KA1 is a fixed-mounted, 3-pole circuit breaker, Size 1, with a nominal current (In) of 1600A and a maximum operating voltage of 690V AC at 50/60 Hz. It offers a breaking capacity (Icu) of 65kA at 500V. This breaker is equipped with a ready-to-close signaling switch, a mechanical lockout device, and a tripped signaling switch with tripped indicators.
It features versatile connection options with top/front and bottom/front double-hole terminals. The overcurrent release is of type ZN, with an adjustable setting range from 640A to 1600A. The unit includes a motorized operating mechanism with electrical and mechanical activation, as well as a memory function. It also comes with an auxiliary release, an undervoltage release ('R', 220-240V AC / 220-250V DC), and switch position-dependent auxiliary current switches (2 NC + 2 NO).
Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, provides the Siemens 3WN6421-0HV58-3KA1 circuit breaker. Ensure your electrical infrastructure is protected with reliable components sourced from Stanlo.
| Poles | 3 |
| Size | 1 |
| In | 1600A |
| Voltage | up to 690V AC |
| Icu | 65kA at 500V |
| Release Type | ZN Overcurrent |
| Setting Range | 640-1600A |
| Operation | Motorized/Manual |
| Auxiliary Switches | 2 NC + 2 NO |
| Undervoltage Release | 'R', 220-240V AC/DC |