VL-TR-RT8-A(B) — Power-On / Power-Off Delay Time Relay
The time relay is a programmable time control device designed to manage delayed switching operations in electrical circuits. When used together with other electrical equipment, it can control delay-on or delay-off functions according to the required timing, helping to ensure accurate and reliable operation of terminal devices.
It is widely used in industrial equipment, lighting systems, manufacturing automation, and other applications where precise time control is required.
With a compact 18mm modular design, the relay supports standard 35mm DIN rail installation, making it easy to install in distribution panels and control cabinets. The full series supports a wide working voltage range of AC/DC 24–240V and provides adjustable delay functions from 0.1 seconds to 10 days, offering flexible solutions for different control requirements.
Key Features
- Type A power-on delay and Type B delay-disconnection in one compact family
- Three output configurations: 1 delay set, 2 delay sets, or 1 delay + 1 instantaneous
- Delay range 0.1 seconds to 10 days, rotary adjustment
- Wide operating voltage: AC/DC 24–240V (±10%) or fixed AC220V (±20%)
- Compact 18mm width, standard 35mm DIN rail installation
Technical Specifications
| Model | A1/B1 | A2/B2 | A3/B3 |
|---|---|---|---|
| Output configuration | 1 set of delay | 2 sets of delay | 1 delay + 1 instantaneous |
| Operating voltage | AC/DC 24–240V ±10% or AC220V ±20% | ||
| Delay range | 0.1s–10 days, multiple adjustable gears | ||
| Delay accuracy | Basic <1%, mechanical <10%, repeat <0.5%, temp <0.05%/°C, voltage jump <1% | ||
| Reset time | < 500ms | ||
| Output contact capacity | 10/16A (24–240V) or 3/5A (fixed 220V), AC1-resistive | ||
| Mechanical life | 1×10⁶ (resistive load, 1s on / 9s off) | ||
| Environment | Working -10 to 55°C, ≤85% RH, ≤2000m altitude · Storage -20 to 75°C, no rain/snow/salt fog/corrosive gas | ||
| Installation | 35mm DIN rail |
Applications
Delay-on / delay-off timing control for industrial equipment, lighting systems and manufacturing automation where precise, adjustable time control is required.
Downloads
Technical documentation for this product (datasheet, type-test report, CAD drawing) is being finalized and will be published here shortly. Need it sooner? Contact us via the Request a Quote form and our team will send it directly.
Packaging & Logistics
Packaging details, minimum order quantity, lead time and HS code for this product are being finalized and will be published here shortly. Need this information sooner? Contact us via the Request a Quote form.
