RELAYS
Neutral
20 AMP TIME DELAY RELAY
RIBTD2401B
Enclosed Time Delay Relay 20 Amp SPDT with 24 Vac/dc/120 Vac Coil
120 Vac
24 Vac/dc
Comm
SPECIFICATIONS
# 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:
Approvals:
Housing Rating:
Gold Flash:
Override Switch:
Blu
N/C
Yel
Comm
Org
N/O
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
UL Listed, UL916, C-UL
UL Accepted for Use in Plenum, NEMA 1
No
No
Contact Ratings:
20 Amp Resistive @ 277 Vac
20 Amp Ballast @ 277 Vac
16 Amp Electronic Ballast @ 277 Vac (N/O)
Input Current:
133 mA @ 24 Vac
45 mA @ 24 Vdc
51 mA @ 120 Vac
Coil Voltage Input:
24 Vac/dc ; 120 Vac ; 50-60 Hz
Drop Out = 3 Vac / 3.8 Vdc
Pull In = 20 Vac / 20 Vdc
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
Timing Adjustment
C
D
B
A
E
Range Selection
1 2 3 4
Only Close
1 Switch
TIMING TABLE
Switch
Ranges
Close
Dip Switch
A B C D E
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
Potentiometer Setting
Made in USA
Meets
“Buy American”
of ARRA 2009
Depressed
for closed
Depressed
for open
Load 2 stays ON selected amount of time after Load 1 turns ON (N/C)
Time Delay Application Example #1
Load 2 stays OFF selected amount of time after Load 1 turns ON (N/O)
Load 1
(Thermostat
Controlled Heater,
for example)
Load 1 Voltage
Load 2 on N/O Contact
Load 2 on N/C Contact
Blu
Yel
RIBTD2401B
Time Delay
Time Delay
120 Vac
Load 2
(Circulating Fan,
for example)
Present
Absent
ON
OFF
ON
OFF
Time Delay Application Example #2 (Requires an Inverting Relay)
Load 2 stays ON selected amount of time after Load 1 turns OFF (N/C)
Load 2 stays OFF selected amount of time after Load 1 turns OFF (N/O)
120 Vac Hot
Load 1
(Thermostat
Controlled Heater,
for example)
Load 2 on N/O Contact
Load 2 on N/C Contact
Blu
Yel
®
RIB
Select RIB® with coil input
appropriate to sense Load 1.
Load 1 Voltage
RIBTD2401B
Time Delay
Time Delay
Blu
Yel
Present
Absent
ON
OFF
ON
OFF
Load 2
(Circulating Fan,
for example)
071717
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