Hager CF285Z RCCB (ELCB) 100A 2P 300mA, white with blue Test button, front view
Hager CF285Z 2-pole 100A 300mA Type AC RCCB (ELCB) — official Hager product photo
Hager commercial distribution board installation — genuine Hager installation photography (representative application)
Hager CF285Z RCCB (ELCB) 100A 2P 300mA, white with blue Test button, front view
Hager CF285Z 2-pole 100A 300mA Type AC RCCB (ELCB) — official Hager product photo
Hager commercial distribution board installation — genuine Hager installation photography (representative application)

Disclaimer: Actual product colors may vary slightly from the images shown due to different monitor settings and lighting conditions during photo shoots.

Hager

Hager CF285Z RCCB 100A 2-Pole 300mA Type AC — ELCB Made in France

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Hager CF285Z RCCB 100A 2-Pole 300mA Type AC — ELCB

The Hager RCCB (ELCB) 100A 2-Pole 300mA – CF285Z delivers reliable protection against earth leakage faults, safeguarding both people and electrical installations. Made in France and built to IEC 61008-1, this high-current residual current device is designed for demanding residential, commercial, and industrial distribution boards where fire and equipment protection at the incomer or sub-main level is required.

Key Features

  • Brand: Hager
  • Model: CF285Z
  • Rated Current: 100A
  • Poles: 2P (Double Pole)
  • Sensitivity: 300mA, Type AC
  • Device Type: RCCB / ELCB (Earth Leakage Circuit Breaker)
  • Fast tripping response to leakage currents
  • Robust construction for demanding, high-current applications
  • Complies with IEC 61008-1 for global safety assurance

Technical Specifications

Specification Details
Model CF285Z
Number of Poles 2P
Rated Current (In) 100 A
Rated Residual Operating Current (IΔn) 300 mA
Residual Current Type AC
Rated Frequency 50 Hz
Breaking/Opening Capacity 1500 A
Rated Conditional Short-Circuit Current (Inc, per EN 61008-1) 6 kA
Impulse Withstand (8/20 µs wave, non-tripping) 0.25 kA
Power Loss 14.3 W total (7.6 W per pole)
Dimensions (H x W x D) 83 x 35 x 70 mm
Module Width 2 modules (DIN 43880 size 1)
Mounting DIN rail, type O (symmetrical)
Connection Type Screw terminals
Protection Index IP20
Operating Temperature -25°C to 40°C
Storage/Transport Temperature -55°C to 70°C
Max Altitude 2000 m
Pollution Degree 2 (IEC 60664 / IEC 60947-2)
Mechanical Endurance 4000 operations
Electrical Endurance 2000 cycles
Standard IEC 61008-1

Applications

  • Residential apartment blocks and villas
  • Commercial facilities: offices, shops, schools
  • Industrial power distribution systems
  • Any high-current circuit requiring earth leakage protection

FAQ

  • What's the difference between an MCB and an RCCB/RCD?
    An MCB (Miniature Circuit Breaker) protects a circuit against overload and short-circuit faults. An RCCB (Residual Current Circuit Breaker), also known as an ELCB, continuously monitors for earth leakage current and disconnects the supply if current is escaping to earth – protecting against electric shock and fire in a way an MCB cannot.
  • What does the 300mA sensitivity rating mean?
    300mA is a higher-sensitivity threshold aimed at fire and equipment protection rather than personal shock protection (which typically needs 30mA). The CF285Z is best used as a main incomer or sub-main device protecting large distribution circuits, with 30mA RCCBs/RCBOs used further downstream on final circuits for personnel protection.
  • How many poles do I need for this circuit?
    This is a 2-pole (2P) device, switching both line and neutral. It is intended for single-phase distribution boards and incomers; three-phase boards require a 4-pole equivalent.
  • Can I install this myself?
    No. This is a distribution-board-mounted device and must be installed and connected by a licensed electrician in accordance with UAE wiring regulations.
  • Is the CF285Z suitable as a main switch/incomer for a large board?
    Yes – at 100A with 300mA sensitivity and a 6kA rated conditional short-circuit current, it is designed for high-load main or sub-main incomer protection on residential, commercial, and industrial boards.

Orders placed before 12 PM (UAE time) are dispatched the same business day and delivered in 1–2 business days across the UAE. Delivery is free on orders over AED 200; below that it costs AED 15. International shipping is charged by weight at checkout, and international orders cannot be returned. Read our Shipping Policy and Refund Policy.

Datasheet