Description

Schneider 12496 | Miniature circuit breaker (MCB), Domae, 2P, 20A, C curve, 4500A (IEC/EN 60898-1)

Technical Specifications

  • Manufacturer: Schneider Electric

  • Product Type: Miniature Circuit Breaker (MCB)

  • Series: Domae

  • Number of Poles: 2P (Double Pole)

  • Rated Current: 20 Amperes

  • Tripping Curve: C Curve

  • Breaking Capacity: 4500 A

  • Standard Compliance: IEC/EN 60898-1

  • Rated Voltage: Up to 230/400V

  • Mounting Type: DIN Rail

  • Protection Degree: IP20 (when installed inside an enclosure)

  • Mechanical Life: Up to 20,000 operations

  • Width: 2 DIN modules

Key Features

  1. High Safety Level
    Offers efficient protection against both overloads and short circuits, ensuring the safety of electrical installations and connected devices.

  2. Compact Design
    Small and space-saving, ideal for use in limited-space panels and distribution boards.

  3. Easy Installation
    Quick and secure DIN rail mounting makes installation and replacement fast and hassle-free.

  4. Clear Status Indication
    Equipped with a visible indicator to show whether the breaker is ON or OFF, enhancing ease of monitoring.

  5. Reliable Tripping Performance
    The C Curve allows it to tolerate moderate inrush currents while still providing prompt disconnection in fault conditions.

  6. Durability and Long Service Life
    Designed for long-term use with high mechanical endurance and minimal maintenance requirements.

  7. Environmental Compliance
    Made with materials that meet environmental safety standards, contributing to a more sustainable electrical system.

Applications

  • Residential Installations
    Ideal for home circuits such as lighting, socket outlets, and small household appliances.

  • Commercial Spaces
    Suitable for use in offices, shops, and light commercial buildings to protect electrical circuits.

  • Pre-Wired Electrical Boards
    Commonly used in ready-made distribution boards for quick and safe protection.

  • Construction Projects
    A reliable solution for electrical safety in new residential and commercial building projects.

  • Small Solar Systems
    Can be used in low-power solar panel installations to protect individual circuits.

 

Additional information

brands

Schneider Electric

Specifications

Main
Range Domae
Product or component type Miniature circuit-breaker
Device short name Domae MCB
Device application Distribution
poles description 2P
Number of protected poles 2
Neutral position Left
[In] rated current 20 A
Network type AC
Trip unit technology Thermal-magnetic
Curve code C
Breaking capacity Icn 4500 A
Complementary
Network frequency 50/60 Hz
[Ue] rated operational voltage 230 V AC 50/60 Hz
Magnetic tripping limit 5...10 x In
[Ics] rated service breaking capacity 4500 kA 100 % x Icn conforming to EN/IEC 60898-1
[Ui] rated insulation voltage 500 V
[Uimp] rated impulse withstand voltage 4 kV
Contact position indicator Yes
Control type Toggle
local signalling Fault trip
Mounting mode Clip-on
Mounting support DIN rail
Comb busbar and distribution block compatibility YES
Connection pitch 18 mm between phase and neutral
9 mm pitches 4
Height 81 mm
Width 36 mm
Depth 78.5 mm
Net weight 0.19 kg
Colour White
Mechanical durability 20000 cycles
Connections - terminals Tunnel type terminals (top or bottom) - 1...25 mm² - rigid Tunnel type terminals (top or bottom) - 1...16 mm² - flexible
Wire stripping length 14 mm for top or bottom connection
Tightening torque 2 N.m top or bottom
Earth-leakage protection Without
Environment
IP degree of protection IP20 conforming to IEC 60529 IP40 (modular enclosure) conforming to IEC 60529
Overvoltage category III
Tropicalisation 2 conforming to IEC 60068-1
Relative humidity 95 % at 55 °C
Ambient air temperature for operation -25…60 °C
Ambient air temperature for storage -40…70 °C
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 7.5 cm
Package 1 Width 3.6 cm
Package 1 Length 8.5 cm
Package 1 Weight 194.0 g
Unit Type of Package 2 BB1
Number of Units in Package 2 6
Package 2 Height 8.0 cm
Package 2 Width 9.0 cm
Package 2 Length 22.8 cm
Package 2 Weight 1.438 kg
Unit Type of Package 3 S03
Number of Units in Package 3 72
Package 3 Height 30.0 cm
Package 3 Width 30.0 cm
Package 3 Length 40.0 cm
Package 3 Weight 17.743 kg
Contractual warranty
Warranty 18 months

Main Document

Main Document

Data Sheet : Download

Main Document

Data Sheet : Download

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