| Categories | Time Relay |
| Model | ZHRT1-ST |
| Rated control supply voltage | AC110V. AC220V. AC380V 56/60Hz |
| Rated power consumption | AC:≤1.5VA DC:≤1W |
| Delay range | 0.1s~10min |
| Setting accuracy | ≤5% |
| Repeat accuracy | ≤0.2% |
| Repeat power- on interval | ≥200ms |
| Altitude | ≤2000m |
| Contact configuration capacity(A) | 5A |
| IP Class | IP 20 |
| Use category | AC-15 |
Function
Applications
Used in air conditioning units, elevator machine room, pumps, fans and other motor control applications, as protection of over-voltage, under voltage, phase failure, phase sequence and phase unbalance. When the power supply is abnormal, turn off power supply to protect the equipment.
Features
Built-in microprocessors,knob setting,start time and conversion time adjustable.LED indicator shows working status. Conversion control of stardelta,auto buck starting. DIN-rail mounting.
| Rated control supply voltage | AC110V、AC220V、AC380V 50/60Hz |
| Rated power consumption | AC:≤1.5VA DC:≤1W |
| Delay range | 0.1s~ 300min |
| Setting accuracy | ≤±5% |
| Repeat accuracy | ≤±0.2% |
| Repeat power-on interval | ≥200ms |
| Electrical life | 105 |
| Mechanical life | 106 |
| Altitude | ≤2000m |
| Contact configuration capacity(A) | 5A |
| IP Class | IP20 |
| Class of pollution | III |
| Use category | AC-15 |
| Contact capacity , | Ue/le AC240V/1.5A. AC380V/0.95A |
| Contact capacity | 2 NO |
| Standard Guide | width:35mm(IEC/EN60715) |
Function Diagram

Wiring Diagram

Dimensions

> What Is a Shunt Trip and How Does It Work with MCCB?
Learn what a shunt trip is, how it remotely trips an MCCB, typical voltages, and common applications like emergency stop systems.
> Guide to Selecting a Surge Protective Device (SPD) for EV Charging Stations
Protect EV chargers from lightning and switching surges. Learn how to choose the right SPD type, voltage protection level, and coordination.
> How to Fix a Tripping RCBO in Commercial Distribution Boards
RCBO tripping repeatedly? Learn 6 common causes and practical fixes for commercial panels. No more nuisance trips.
> What Is a DC MCB and Why Does It Matter for Solar PV Systems?
Learn what a DC MCB does, why it’s critical for solar string protection, and how to choose the right one. Read the B2B guide.




