Product Overview

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20191023
Wht/Brn
120-277 Vac
Wht/Blu
24 Vac/dc
Wht/Yel
Comm
Blu
N/C
Yel
C
Org
N/O
# Relays & Contact Type:
Expected Relay Life:
Operating Temperature:
Humidity Range:
Operate Time:
Relay Status:
Time Delay Status:
Timing Mode:
Timing Range:
Timing Adjustment:
Timing Tolerance:
Timing Repeatability:
Temperature Timing Variance:
Voltage Timing Variance:
Recycle Time:
Dimensions:
Wires:
Approvals:
Housing Rating:
Gold Flash:
Override Switch:
One (1) SPDT Continuous Duty Coil
10 million cycles minimum mechanical
-30 to 140° F
5 to 95% (noncondensing)
6ms after time delay
RED LED On = Activated
PINK LED FLASHING = Timing
Delay On Make (N/O)
6 seconds - 20 minutes
4 position DIP switch for range selection
and single turn potentiometer for timing
adjustment within range
Switches 1& 2 =
+
10%
Switches 3 & 4 =
+
5%
+
1%
+
1%
+
1%
750ms Maximum
4.00˝ x 4.00˝ x 1.80˝ with .50˝ NPT nipple
16˝, 600V Rated
UL Listed, UL916, UL864, C-UL
California State Fire Marshal, CE, RoHS
UL Accepted for Use in Plenum, NEMA 1
No
No
Contact Ratings:
10 Amp General Use @ 277 Vac
10 Amp Resistive @ 30 Vdc (N/O)
7 Amp Resistive @ 30 Vdc (N/C)
1/2 HP @ 125 Vac
1 HP @ 250 Vac
1/4 HP @ 277 Vac
C300 Pilot Duty
Input Current:
66 mA @ 24 Vac
38 mA @ 24 Vdc
40 mA @ 120-277 Vac
Coil Voltage Input:
24 Vac/dc ; 120-277 Vac ; 50-60 Hz
Drop Out = 3 Vac / 3.8 Vdc
Pull In = 20 Vac / 20 Vdc
RIBD2421C
Enclosed Time Delay Relay 10 Amp SPDT with
24 Vac/dc/120-277 Vac Coil
A
Timing Adjustment
E
B
D
C
1 2 3 4
Range Selection
Only Close
1 Switch
Time Delay Time Delay Time Delay
Timing Diagram
Time Delay Time Delay Time Delay
Coil
N/O
N/C
SPECIFICATIONS
Yel
Blu
Wht/Yel
Wht/Brn
Yel
Blu
In this example, voltage can be
any voltage from 120-277 Vac.
Neutral
RIBD2421C
RIB
®
Select RIB® with coil input
appropriate to sense Load 1.
Load 2
(Circulating Fan,
for example)
Load 1
(Thermostat
Controlled Heater,
for example)
Time Delay Application
Load 2 stays on selected amount of time after Load 1 goes o.
Depressed
for closed
Depressed
for open
10 AMP PILOT CONTROL RELAY
TIMING TABLE
Switch
Ranges
Close
Dip Switch
Potentiometer Setting
6s-20s 1 6s 9s 13s 16s 20s
22s-1min15s 2 22s 36s 50s 1min4s 1min15s
1min30s-5min 3 1min30s 2min10s 3min20s 4min16s 5min
6min-20min 4 6min 9min 13min20s 17min20s 20min
A B C D E