Functional Devices RIB2401SBC : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: SPDT + Override, 24 Vac/dc/120 Vac Coil Voltage, NEMA 1 Housing

The RIB2401SBC is designed for applications requiring both automation and manual control, making it well-suited for HVAC fan and lighting systems, motor control, and building automation panels. Its integrated override switch allows technicians or operators to manually toggle the relay during service or emergencies without needing control signal input. With both 24 Vac/dc and 120 Vac coil input options, this model supports flexible integration into low- and line-voltage systems.

• 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: 2.30" x 3.20" x 1.80" with 0.50" NPT Nipple
• Wires: 16", 600V Rated
• Approvals: UL Listed, UL916, UL864, 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 120 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
47 mA @ 120 Vac
33 mA @ 22 Vdc
35 mA @ 24 Vdc
47 mA @ 30 Vdc