Model Selection Table
| Model | Function | Rated supply voltage | Contact | Delay range |
| ZHRT1-LS | Staircase switch | AC110V AC220V | 1 NO | 0.1s~10s,10s-100s,1m-10m,0.1h-10h,10h-100h |
Technical Parameters
| Rated control supply voltage | AC110V,AC220V 50/60Hz |
| Rated power consumption | AC:≤1.5VA DC: ≤1W |
| Delay range | 0.1s~10s,10s-100s,1m-10m,0.1h-10h,10h-100h |
| Setting accuracy | ≤5% |
| Repeat accuracy | ≤0.2% |
| Repeat power-on interval | ≥200ms |
| Electrical Life | 105 |
| Mechanical life | 106 |
| Altitube | ≤2000m |
| Contact configuration capacity(A) | 16A |
| IP Class | IP20 |
| Class of pollution | 3 |
| Allowable relative humidity | ≤50%(40ºC)(No condensation) |

Used in staircase lamp control circuitaccord predetermined time to delay on/ off the circuit.
Built-in microcontrollers,repeat accuracy≤0.2%Knob settingLED indicator shows working status.With ON,OFF,AUTO three operating modes, DIN rail mounting.

Function diagram

Wiring Diagram
Application examples
Dimensions(mm)

More products




Q1.Are you a factory or trading company ?A:We are a factory founded in 2010 and have over 10 years'OEM and international trading experience .
Q2.What's your main product?
A:Our main products are time Relay, voltage Relay, motor protector, current relay,solid state relay
Q3.Do you accept OEM or ODM?
A:Of course.
Q4.What's your main payment term?
A:T/T ,LC ,D/P.
Q5.Any quality guarantee or after-sales service?
A:All the products have 2 years' Guarantee. If any quality complaint , we will give out solution within 5 days
Q6.Can sample fee be returned back to me ?
A:Sample amount can be deducted from your bulk order payment when order quantity is over 1000 pieces at the first time.








Audited Supplier









