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The Mechanical Products Series 53 is a branch disconnect circuit breaker that combines battery disconnect switching and circuit protection into a single rotary switch. This 30A, 32VDC unit is designed for panel mounting and features a push-to-reset actuator.
Key specifications include a maximum voltage rating of 42VDC, an operating temperature range of -40°C to 85°C, and an interrupt capacity of 1.5kA at 28VDC and 3kA at 14VDC. The breaker is tested to UL1077, UL1107, and UL1500 standards, ensuring superior circuit protection.
This circuit breaker is ignition protected and tested to ISO 8846, USCG, ABYC, UL1107, UL1500, and SAE J1171 requirements, making it suitable for harsh environments. It also conforms to MIL-STD-202 for corrosion and humidity resistance, and meets vibration and shock test requirements.
The Series 53 is not rated for engine starter circuits but provides a quick means to disconnect downstream circuits, prevent unintentional battery drain, and allow for disconnected battery power during storage or maintenance.
The current rating is 30A.
The voltage rating is 32VDC, with a maximum rating of 42VDC.
It is designed for panel mounting.
The operating temperature range is -40°C to 85°C.
Yes, it is ignition protected and tested to ISO 8846, USCG, ABYC, UL1107, UL1500, and SAE J1171.
Yes, it is SAE & ABYC compliant.