Toll Free, US (888) 584-6078
Montreal, PQ (514) 400-0518
Fremont, CA (510) 371-8111
London, UK (20) 3004 9222
Portland, ME (207) 922-9900
Toll Free, US (888) 584-6078
Montreal, PQ (514) 400-0518
Fremont, CA (510) 371-8111
London, UK (20) 3004 9222
Portland, ME (207) 922-9900
Toll Free, US (888) 584-6078
Montreal, PQ (514) 400-0518
Fremont, CA (510) 371-8111
London, UK (20) 3004 9222
Portland, ME (207) 922-9900| Stock Status: | Cataloged: 8/17/2026 | Core Service: |
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The OEM part number 5SW3300 is an auxiliary circuit breaker designed for use with Siemens 5SM3 series RCCB (Residual Current Circuit Breaker) devices. This component ensures additional safety by providing protection against overcurrent and short circuits in electrical systems. Compatible with the 5SM3 344-6 model, it integrates seamlessly to enhance system reliability and performance. The auxiliary circuit breaker is essential for industrial applications requiring robust electrical protection.