EFF EFF 142U Electric Strike Fire Rated 12V/24V AC/DC Switchable Right-Hand 6500N

Product Overview

The EFF EFF 142U OEM Right-Hand Fire-Resistant Electric Strike is intended for installation on main locks of fire barrier doors in environments requiring elevated security levels. Manufactured by Assa Abloy subsidiary EFFEFF, it is fully compatible with earlier models from the 142 series. Its robust steel housing and mechanical parts provide enhanced durability, and the body withstands temperatures up to approximately 1000°C, while models with zinc alloy housings withstand up to 400°C. The working temperature range supports both indoor and challenging access-controlled areas from -15°C to +40°C.

What sets this SKU apart is the configurable voltage mode?allowing seamless switching between 12V and 24V, AC or DC, via an integrated switch. This eliminates ordering risk related to voltage compatibility for project managers and installers, streamlining procurement for facilities with diverse existing electrical setups. Particularly recommended for OEM integrations and institutional retrofits where standardizing on one strike model reduces stock complexity and install errors.

Key Features

• Fire resistance ? housing withstands temperatures up to 1000°C (steel) or 400°C (zinc alloy) for barrier function integrity


• Voltage select switch ? configurable for 12V or 24V, AC or DC operation via integrated switch


• Compatible with 142 series ? direct replacement or upgrade for previous EFF EFF 142 strikes


• 6500N (650kg) holding force ? secures high-load fire-rated doors


• FaFix and Fix adjustment ? fine tuning for precise latch engagement and installation flexibility


• Integrated protection diode ? safeguards controlling electronics from voltage spikes


• Operating temperature range ? functions from -15°C to +40°C for reliable performance in varied conditions

Technical Specifications

• Nominal Voltage: 12V or 24V AC/DC (switch selectable)


• Current Consumption: 130mA at 12VAC; 210mA at 12VDC; 70mA at 24VAC; 105mA at 24VDC


• Fire Resistance: Housing steel up to 1000°C; zinc alloy up to 400°C


• Holding Force: 6500N (650kg)


• Operating Temperature: -15°C to +40°C


• Mounting Cut-Out: 22 x 28 x 105 mm (in frame)


• Adjustment: FaFix and Fix


• Compatible Series: EFF EFF 142

Applications

Used in fire barrier doors within commercial, institutional, and high-security facilities requiring controlled access and door fire integrity. Suitable for OEM projects, security retrofits, and environments needing voltage flexibility across their electronic access control hardware. Not approved for emergency exit doors.

Packaging & Shipping

Standard export packaging. Each unit includes the strike body, mounting hardware, voltage selection instructions, and an installation guide.