◼Multiple working modes

◼Multiple intervals control

◼Switching power supply is adopted, with wide voltage range

◼Terminal type and pin type, double wiring mode, more convenient

wiring and maintenance

Electrical Specification

Delay range

CDH48S Default

CDH48S-S

CDH48S Customized

Wiring diagram

Wiring diagram

Working sequence diagram

Outline and opening dimension drawing (mm)

Instructions

1. Delay setting:
2. a) Clamp the concave parts on the left and right sides of the cover plate by hand and pull outward (as shown in Figure 1);
3. b) Set the delay time and time period as required (as shown in Figure 2);
4. c) After setting, cover the cover (as shown in Figure 3).

2.According to the wiring diagram on the label of the time relay housing and the reference circuit, the wiring is correct, and the power

supply voltage and frequency must meet the requirements.

3.Adjust the dial switch, preset the delay time, turn on the power supply, and the time relay starts to operate according to the working sequence.

4.Due to the memory function of the time relay, the delay time shall be preset according to the above figure before power on. The

preset time after power on is invalid, and the repeated start interval of the time relay shall be ≥ 0.5s.

5.Cdh48 □ - 1z Function Description: set the dial switch, turn on the power supply, start timing, reach the preset time, the indicator

light in the upper left corner of the display window is on, and the delay contact is switched to realize timing control.

6.Cdh48 □ - s Function Description: see for delay setting In Figure 2 above, set T1 The time base and preset number of T2, and then turn on

the power supply. The two digit nixie tubes on the right display the delay data of T2, and the T2 indicator light is on. When the delay reaches

the T2 set value, the time relay acts. At the same time, the two digit nixie tubes on the left display the delay data of T1, and the T1 indicator

light is on. When the delay reaches the T1 set value, the time relay releases and T2 starts to delay, so as to realize the cyclic delay control.

7.Reset function: turn on the reset terminal at any time, and the time relay will return to the initial state.

8.Pause function: in the process of timing, turn on the pause terminal, the timing will stop, and the time at the moment will be

displayed. After disconnecting, continue the timing. This function can be used as a timer.

9.In strong current environment and long reset and pause termination wires, please use shielded wires.

10.Do not input voltage to reset and pause terminals to avoid damaging the product.

1. In case of single-phase load, if the load resistive current ≤ 3A or inductive current ≤ 0.5A, the time relay is directly controlled. Refer

to example 1 for wiring; If the load resistive current is > 3A or inductive current is > 0.5A, the capacity of the time relay is expanded

through the AC contactor. Refer to example 2 for wiring; In case of three-phase load, the power supply of AC contactor and time relay is

AC380V. Refer to example 3 for wiring; When the power supply of AC contactor and time relay is AC220V, refer to example 4 for wiring.

2. The function of the example time relay is: when the power is connected, the load or km (AC contactor) is powered on. When the time

delay reaches the preset value, the load or km (AC contactor) is powered off.

Note 1: the load can be street lamp or bulb, which can be directly connected to the two lines of the street lamp or bulb port (as shown

in example 1).

Note 2: KM is the coil of AC contactor, A1 Both ends of A2 can be wired according to example 2, example 3 and example 4.

Note 3: the working power supply of time relay and KM in example 3 is AC380V. Pay attention to the voltage level of the selected

product.