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Siemens offers the 5SY4104-7 model, a Supplementary Protector rated at 4 Amps. This device serves as a 1-Pole Circuit Breaker and is designed with a C trip characteristic. It supports applications requiring supplementary protection, especially in control circuits. This model is UL1077 rated and designed for use in 277 VAC systems.
This supplementary protector is suitable for general device protection and offers important safety features. The compact dimensions allow seamless installation in various setups.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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