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Bypassing safety lockout controls is never recommended in a live environment
Technicians must remove the TP-33 external regulator during installation
or the valve fails to actuate despite receiving a 120V signal
With an insertion length of 6 inches
Functional Devices RIB2401SB-NC Relay 318518-761 Bypassing safety lockout controls isThe Functional Devices RIB2401SB NC is an enclosed 20 Amp SPST NC power relay engineered for heavy duty commercial HVAC and automation control. This single pole single throw normally closed relay features a dual coil input compatible with both 24VAC DC and 120VAC, providing versatile integration for building management systems (BMS). The "SB" configuration indicates a split brain relay design, separating the sense and power circuits to ensure reliable
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