SMM-T331 Cover
SMM-T331 Cover
For SMM-T331 & MCP330/MCP331 PRO series manual call points
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SMM-T331P-D
SMM-T331P-D
Pre-alert cover protection
Relay output for monitoring use
12-24VDC input
Multi poles changeover switches
30VDC 3A output
With timer delay
Door open with timer delay