© 2016 Littelfuse Protection Relays & Controls

Time Delay Relays

Dedicated - Interval

www.littelfuse.com/tdui-tduih-tduil

Rev: 1-A-061016

Specifications

Time Delay

Range*

0.1 - 102.3s in 0.1s increments

1 - 1023s in 1s increments

0.1 - 102.3m in 0.1m increments

Repeat Accuracy

±0.5% or 20ms, whichever is greater

Setting Accuracy

≤ ±2% or 20ms, whichever is greater

Reset Time

≤ 150ms

Time Delay vs Temp.

& Voltage

≤ ±5%

Input

Voltage

24 to 240VAC, 12 to 24VDC ±20%

AC Line Frequency

50/60 Hz

Power Consumption

AC ≤ 2VA; DC ≤ 1W

DC Ripple

≤ 10%

Output

Type

Solid state

Form

NO, closed during timing

Rating

1A steady state, 10A inrush at 60°C

Voltage Drop

AC ≅ 2.5V @ 1A; DC ≅ 1V @ 1A

OFF State Leakage Current

AC ≅ 5mA @ 230VAC; DC≅ 1mA

Protection

Circuitry

Encapsulated

Dielectric Breakdown

≥ 2000V RMS terminals to mounting surface

Insulation Resistance

≥ 100 MΩ

Polarity

DC units are reverse polarity protected

Mechanical

Mounting

Surface mount with one #10 (M5 x 0.8) screw

Dimensions

H 50.8 mm (2”); W 50.8 mm (2”);

D 30.7 mm (1.21”)

Termination

0.25 in. (6.35 mm) male quick connect terminals

Environmental

Operating/Storage

Temperature

-40° to 60°C / -40° to 85°C

Humidity

95% relative, non-condensing

Weight

≅ 2.4 oz (68 g)

*For CE approved applications, power must be removed from the unit when a switch position

is changed.

TDUI / TDUIH / TDUIL SERIES

Switch Operation

Adjustment Switch Operation

Function Diagram

INTERVAL (IMPULSE-ON)

V = Voltage

NO = Normally

Open Contact

NC = Normally

Closed Contact

TD =Time Delay

R = Reset

= Undefined

Time