RELAYS
20 AMP POWER CONTROL RELAYS
RIB2421B
Enclosed Relay 20 Amp with
24 Vac/dc/208-277 Vac/120 Vac Coil
Wht/Brn
208-277 Vac
Wht/Blk
120 Vac
Wht/Blu
24 Vac/dc
Wht/Yel
Comm
SPECIFICATIONS
# Relays & Contact Type:
Expected Relay Life:
Operating Temperature:
Humidity Range:
Operate Time:
Relay Status:
Dimensions:
Approvals:
Housing Rating:
Gold Flash:
Override Switch:
One (1) SPDT Continuous Duty Coil (RIB2421B)
One (1) SPST C
10 million cycles minimum mechanical
-30 to 140° F
5 to 95% (noncondensing)
18ms
LED On = Activated
2.30˝ x 3.20˝ x 1.80˝ with .50˝ NPT Nipple
16˝, 600V Rated
Wires:
UL Listed, UL916, UL864, C-UL
California State Fire Marshal
UL Accepted for Use in Plenum, NEMA 1
No
No (RIB2421B)
Yes (RIB2421SB)
RIB2421SB
Enclosed Relay 20 Amp + Override with
24 Vac/dc/208-277 Vac/120 Vac Coil
Blu
N/C
Yel
Comm
Org
N/O
ontinuous Duty Coil (RIB2421SB)
Wht/Brn
208-277 Vac
Wht/Blk
120 Vac
Wht/Blu
24 Vac/dc
Wht/Yel
Comm
CLOSED OPEN AUTO
Org
Org
Contact Ratings (RIB2421B):
20 Amp Resistive @ 277 Vac
5 Amp Resistive @ 480 Vac
20 Amp Ballast @ 277 Vac
16 Amp Electronic Ballast @ 277 Vac (N/O)
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 Current:
83 mA @ 24 Vac
47 mA @ 120 Vac
69 mA @ 208-277 Vac
47 mA @ 30 Vdc
Coil Voltage Input:
24 Vac/dc ; 208-277 Vac ;
120 Vac ; 50-60 Hz
Drop Out = 2.1 Vac / 3.8 Vdc
Pull In = 18 Vac / 22 Vdc
Made in USA
Meets
“Buy American”
of ARRA 2009
GREAT SERVICE TRUCK RELAY
ONE RELAY COVERS MOST APPLICATIONS
Contact Ratings (RIB2421SB):
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
Notes:
• Order Normally Closed by adding
“-NC” to end of model number
(RIB2421SB)
071417
Loading...