Bistable Relay BR-21

Bistable Relay BR-21

zł 62.99 Tax included
zł 51.21 No tax

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BR-21 Bistable Relay – Smart Load Control

The BR-21 bistable relay allows turning devices on and off using multiple parallel-connected push-button switches.

It can work with:

  • Unlimited number of non-illuminated switches

  • Limited number of illuminated switches:

    • Neon (1 mA) < 5 pcs

    • LED (0.1 mA) < 50 pcs

Applications

The BR-21 relay is ideal for:

  • Staircases

  • Hallways

  • Residential rooms

  • Industrial halls

  • Warehouses

Supported Loads

  • Resistive loads

  • Lamps: incandescent, halogen, fluorescent, energy-saving, LED

Operating Modes

The BR-21 offers two selectable modes via the TEST-MODE button:

  1. Standard: pulse 40 ms–2 s toggles the load; pulse >2 s activates the load for a preset time (can be switched off by a push-button)

  2. Alternative: pulse 40 ms–2 s activates the load for a preset time; pulse >2 s toggles the load

Key Features and Advantages

  • Fast response: <40 ms

  • Quick readiness for next press: >200 ms

  • High switching capacity: 16 A (4000 W), 250 V AC

  • Low power consumption: 0.5 W

  • Inrush current resistance: 100 A

  • Relay contacts (1 NO, 1 NC) are galvanically isolated

  • TEST function – check correct wiring

  • Adjustable off-time: 1 s–60 s / 1 s–6 min / 1 s–60 min

  • LED indicators:

    • Green – power present (230 V AC)

    • Red – contact 1-2 short (programming info)

    • Blue – contact 2-3 short (programming info)

  • Flush-mount installation in standard electrical box

  • Compact size: 46 mm × 42 mm × 21 mm (Ø54)

  • Rear panel: wiring diagram + QR code to manual

Safety

Installation must be performed only by a qualified electrician.
Proper protective device selection is required.

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