Schneider Electric Easy9 MCB Type B 6A Single Pole

By Schneider Electric · Model: Easy9 EZ9F16106 · Electrical & Lighting

6A Type B miniature circuit breaker with 6kA breaking capacity, single pole, DIN rail mount for lighting circuits.

6A rated current suitable for dedicated lighting circuits
Type B tripping characteristic for resistive and light inductive loads
6kA breaking capacity
Single pole (1P) with DIN rail mounting
Rated 230V

Overview

The Schneider Electric Easy9 6A Type B MCB is a single pole miniature circuit breaker for lighting circuits in domestic and light commercial installations. Its Type B tripping characteristic provides protection against overloads and short circuits in resistive loads, and it has a 6kA breaking capacity. It mounts on a standard 35mm DIN rail.

In-Depth Look

The Schneider Easy9 6A MCB is a single pole miniature circuit breaker for protecting a lighting circuit in a domestic or light commercial consumer unit.

Type B for Lighting

Type B MCBs trip at between 3 and 5 times their rated current on a short circuit, which suits resistive and light inductive loads such as lighting. A 6A rating is commonly used for domestic lighting circuits. The right rating for a circuit depends on the cable and the installation, so that decision is for the electrician.

Fitting

The MCB clips onto a standard 35mm DIN rail. Check that it suits the busbar in your consumer unit before buying, and have a competent, registered electrician carry out the work.

Summary

A 6A, Type B, 6kA single pole MCB from Schneider’s Easy9 range, for lighting circuits in domestic consumer units.

How It Compares

The Schneider Easy9 6A Type B is a miniature circuit breaker, or MCB. It is a 1 pole device from the Easy9 range, rated at 6A with a B curve, a breaking capacity of 6kA and a 230V rating. It mounts on a DIN rail and uses thermal-magnetic tripping. The manufacturer part code is EZ9F16106.

An MCB protects a circuit against overload and short circuit. It does not protect people from shock, which is the job of an RCD or an RCBO.

Option	What it is	What to weigh up
This MCB	1 pole, 6A, B curve, 6kA	Check the rating suits the circuit
C-curve breaker	Trips at a higher multiple of rated current	Used for loads with inrush current
Larger-rated breaker	A breaker with a higher amp rating	The rating is chosen for the circuit
RCBO	Overcurrent and earth-leakage protection in one	Adds protection against earth leakage
Rewireable fuse	An older type of protective device	Works differently from an MCB

For a device that adds earth-leakage protection, see the Chint RCBO. The Hager VML106 consumer unit is a consumer unit that holds this kind of device. Our guide to choosing a consumer unit has more detail.

Common Questions

What does the 6A on an MCB mean? It is the current the breaker is rated to carry before its overload protection operates. A 6A breaker is a lower rating than a 16A one, and the electrician chooses the rating for each circuit.

What is the difference between B and C curve? The curve describes how large a surge the breaker allows before it trips. A B-curve breaker trips at a lower multiple of its rated current. A C-curve breaker trips at a higher multiple.

What does 6kA mean? It is the maximum fault current the breaker can safely interrupt. Check that it suits the installation, which is a matter for the electrician.

Does an MCB protect people from shock? No. An MCB protects the circuit. Protection against shock is the job of an RCD or an RCBO.

Can I fit one myself? Consumer unit work should be done by a competent electrician. Do not work on a board you are unsure about.

Electrical work should be done by a competent person. Follow the manufacturer’s instructions.

Specifications
Rated Current	6A
Tripping Characteristic	Type B
Breaking Capacity	6kA
Number of Poles	1P
Voltage	230V
Mounting	DIN rail (35mm)

Who It's For

Electricians fitting out consumer units for domestic rewires
Electrical contractors needing 6A MCBs for lighting circuits
Maintenance electricians replacing tripped or faulty circuit breakers

Pros & Cons

Pros

6A, Type B, 6kA rating for lighting circuits
Mounts on a standard 35mm DIN rail
Sold by UK electrical wholesalers

Cons

Check compatibility with your consumer unit busbar before buying
Single pole only, so the neutral is terminated separately
Consumer unit work needs a competent, registered electrician

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Chint NB3LEU RCBO 16A Type B 30mA

Combined MCB and RCD in a single module, 16A B curve with 30mA earth leakage protection and 10kA breaking capacity, 1P+N.

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