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Rev: 1-B-030121

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Time Delay Relays

INTERVAL

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Specifications

Time Delay

Type

Digital integrated circuitry

Range

0.1–102.3 s in 0.1 s increments

1–1023 s in 1 s increments

10 – 10,230 s in 10 s increments

Repeat Accuracy

±0.1 %

Setting Accuracy

±2 %

Reset Time

≤ 150 ms

Time Delay vs Temp.

& Voltage

±5 %

Indicator

LED glows during timing; relay is energized

Input

Voltage

12, 24 V dc; 24, 120 V ac

Tolerance

12 V dc & 24 V dc/Ac

-15 %–+20 %

120 V ac

-20 %–+10 %

AC Line Frequency

50/60 Hz

Power Consumption

≤ 3.25W

Output

Type

Electromechanical relay

Form

DPDT

Rating

8 A resistive @ 120/240 V ac;

1/3 hp @ 120/240 V ac

Life

Mechanical - 1 x107; Electrical - 1 x 106

Protection

Polarity

Dc units are reverse polarity protected

Isolation Voltage

≥ 1500 V rms input to output

Mechanical

Mounting

Plug-in socket

Dimensions

H 44.45 mm (1.75”); W 60.33 mm (2.38”);

D (with socket) 104.78 mm (4.13”)

Termination

Octal 8-pin plug-in

Environmental

Operating/Storage

Temperature

-20 °C to 65 °C / -30 °C to 85 °C

Weight

≅ 4 oz (113 g)

Safety Marks

UL (socket required)*

UL 508 (E57310)

*UL Listed when used with Part Number OT08-PC or RB08-PC manufactured by

Custom Connector Corp.

Note: Manufacturer's recommended screw terminal torque for the OT Series

sockets is 12 in-lbs.

Digi-Set Binary Switch Operation

Function Diagram

INTERVAL (IMPULSE-ON)

V = Voltage

NO = Normally

Open Contact

NC = Normally

Closed Contact

TD =Time Delay

R = Reset

= Undefined

Time