Bistable (pulse) relay switched at zero crossing with time limitation function, 230V AC PBM-33 EXT10000310
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Sales unit dimensions and weight: 1 pcs
Bistable (pulse) relay switched at zero crossing with time limitation function, 230V AC PBM-33 EXT10000310
Intelligent lighting control with PBM-33
The PBM-33 bistable relay is a solution for demanding installations where efficient and reliable lighting control is key. Thanks to advanced zero-voltage and zero-current switching technology, it allows direct connection of LED loads up to 1000W, eliminating the need for additional contactors or intermediate relays. This saves space and costs, and simplifies the installation diagram.
This pulse relay is ideal for offices, warehouses, factories and anywhere where lighting control is required from multiple points or in "smart home" systems. PBM-33 offers not only convenience but also functionality – a built-in lighting time limiter automatically switches off the circuit after a set time, which translates into energy savings.
Application and benefits:
- Control of LED lighting up to 1000W: Direct connection without the need for additional elements.
- Zero-voltage switching technology: Minimizes electromagnetic interference (EMC) and extends the life of devices. Switching occurs when the voltage sine wave crosses the zero point, reducing contact sparking and wear.
- Lighting time limiter: Automatic lighting shutdown after a set time – energy saving and increased safety.
- Bistable control: Possibility of switching the lighting on and off using parallel-connected single-pole buttons – an alternative to traditional stair and cross switches. Simplified installation thanks to fewer wires.
- Versatility: It will work both in new installations and when modernizing existing lighting control systems.
- Compatibility: Works well with both LED and inductive loads.
PBM-33 is not only an electrical component – it is an investment in user comfort, reliability and energy saving. Thanks to precise workmanship and the use of high-quality components, the relay ensures long-lasting and trouble-free operation. Mounting on a TH 35 rail makes it easy to integrate with the existing electrical distribution board.

