Description
SIEMENS AG
SIRIUS
3RV1421-1JA10
CIRCUIT BREAKER
CAT.: A UIMP: 6KV
FLA MAX 75° CU WIRE ONLY
MADE IN GERMANY
The Siemens Sirius 3RV1421-1JA10 is a circuit breaker for shipboard control and power distribution panels, where it protects the circuit wired through it. It carries a CAT. A designation and a rated impulse withstand voltage (Uimp) of 6 kV, and its terminals are marked for 75° copper wire only. Made in Germany as part of the Sirius switching range, it forms part of the protective gear in the vessel’s control plant, opening the circuit when a fault occurs. This unit is new open box.
Key Features
✓ Sirius series circuit breaker
✓ Order number 3RV1421-1JA10
✓ CAT. A designation
✓ Uimp 6 kV
✓ 75° copper wire only, made in Germany
Marine Applications
✓ Circuit protection in engine room control panels
✓ Feeder protection in auxiliary machinery starter panels
✓ Protective devices in Siemens-equipped automation cabinets
Technical Support
Prota Marine provides technical support, repair and onboard installation for the circuit breaker and the wider marine control system. We assist with fault diagnosis when the breaker trips or fails to close, and with commissioning of the panel after fitting.
