Functional Devices RIB2402SBC : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: SPDT + Override, 24 Vac/dc/208-277 Vac Coil Voltage, NEMA 1 Housing

The RIB2402SBC is ideal for commercial HVAC systems, lighting control, and applications requiring both automatic and manual control. Its integrated override switch enables manual operation during maintenance or system failure. The dual coil voltage range (24 Vac/dc or 208–277 Vac) provides flexibility for various building automation or industrial control setups.

• Relays & Contact Type: One (1) SPDT Continuous Duty Coil
• Expected Relay Life: 10 million cycles minimum mechanical
• Operating Temperature: -30 to 140° F
• Humidity Range: 5 to 95% (noncondensing)
• Operate Time: 18ms
• Relay Status: LED On = Activated
• Dimensions: 2.390" x 3.310" x 1.810" with 0.50" NPT Nipple
• Wires: 16", 600V Rated
• Approvals: UL Listed, UL916, UL864, UL508, C-UL, California State Fire Marshal, CE, RoHS
• Housing Rating: UL Accepted for Use in Plenum, NEMA 1
• Gold Flash: No
• Override Switch: Yes (2)

• 20 Amp Resistive @ 277 Vac
• 20 Amp Ballast @ 277 Vac (N/O)
• 10 Amp Ballast @ 277 Vac (N/C)
• Not rated for Electronic Ballast
• 10 Amp Tungsten @ 120 Vac (N/O)
• 770 VA Pilot Duty @ 120 Vac
• 1,110 VA Pilot Duty @ 277 Vac
• 2 HP @ 277 Vac
• 1 HP @ 120 Vac

Coil Voltage Input:
24 Vac/dc or 208–277 Vac ; 50–60 Hz
Drop Out = 2.1 Vac / 3.8 Vdc
Pull In = 18 Vac / 22 Vdc

Coil Current:
50 mA @ 18 Vac
83 mA @ 24 Vac
69 mA @ 208–277 Vac
33 mA @ 22 Vdc
35 mA @ 24 Vdc
47 mA @ 30 Vdc