Allen-Bradley 1492-SPM1C040 Supplementary Protector — 1-pole, Trip Curve C, 4 A. The Allen-Bradley 1492-SPM1C040 is a Bulletin 1492-SPM supplemental circuit breaker (supplementary protector) with 1 pole, a C trip curve, and a 4 A current rating. It provides overcurrent protection for individual loads and control circuits and mounts on standard DIN rail. The device is supplied without a neutral pole..
MPN / SKU: 1492-SPM1C040
1492-SPM1C040 Applications
The 1492-SPM1C040 is used to protect control circuits and individual components against overcurrent conditions in industrial control panels. Its C trip curve suits general loads with moderate inrush, while the 4 A rating targets low-current branches. It mounts on standard DIN rail alongside other 1492-SPM modules for compact panel layouts. Select the pole count and trip curve to match the connected load characteristics.
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