Functional Devices RIBT2401SBC : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: SPDT + Override, 24 Vac/dc/120 Vac Coil, Hi/Lo Voltage Separation, NEMA 1 Housing

The RIBT2401SBC is a dual-override SPDT relay used in control panels where manual control and voltage separation are essential. It allows for both automatic and manual switching of loads like lighting, HVAC fans, and pumps, with built-in override switches for service access. Ideal for commercial automation systems with 24 Vac/dc or 120 Vac control circuits.

• 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: 4.000" x 4.000" x 1.810" 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)
• 1,110 VA Pilot Duty @ 277 Vac
• 770 VA Pilot Duty @ 120 Vac
• 2 HP @ 277 Vac
• 1 HP @ 120 Vac

Coil Voltage Input:
24 Vac/dc ; 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