2-Pole Miniature Circuit Breaker 16A

Name: 2-Pole Miniature Circuit Breaker 16A
Brand: Alfanar
SKU: ELE-0066

In Stock GULF MEP Ref.: ELE-0066 Unit: pcs MOQ: 1

Two-pole miniature circuit breaker designed for low-voltage circuit protection. Suitable for electrical distribution boards and branch circuits. Intended for building electrical installations

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Availability

Riyadh · Saudi Arabia
Dubai · United Arab Emirates
Doha · Qatar
Kuwait City · Kuwait

Description

Two-pole protective switching device designed to disconnect associated circuit conductors during abnormal electrical conditions

Applications

Residential distribution boards
commercial installations and low-voltage electrical circuits

Specifications

Product type	MCB
Poles	2P
Rated current	16A

Available on request: Voltage, Breaking capacity, Trip curve, Frequency. Tell us the configuration you need and we will confirm these in writing: Get Quote

Choosing and specifying this item

Why the second pole exists

Two poles are a design decision, not a convenience. The arrangement is called for where the neutral cannot be treated as reliably at earth potential, where a supply may be reversed or reach the circuit from more than one source, in wet and external positions, and wherever the specification or the local authority requires both conductors broken for isolation. Test that requirement against the single-pole equivalent before deciding — paying for a second pole you do not need consumes board space you will want later.

Rated voltage matters more here

A two-pole device may be intended for line and neutral, or it may be rated for use across two lines. Those are different duties at different voltages. If the circuit is phase-to-phase in a three-phase board, confirm the rated operational voltage across the poles in writing. This is the attribute most often assumed and least often checked on two-pole selections.

Practical checks

Two poles occupy two module widths, so count free ways before ordering and confirm the comb busbar arrangement accepts a two-pole device. Then settle breaking capacity against the fault level at that board, the trip curve for what the circuit switches, and frequency suitability for a 60 Hz supply.

Other options in this family are listed under Miniature Circuit Breakers — Additional Ratings, Electrical. Further detail: Distribution Boards: Specifying for the Environment, Not Just the Load.

Frequently asked questions

When is a two-pole breaker actually required instead of a single-pole?

When the neutral must be broken as well as the line. That is the case where the earthing arrangement does not let you assume the neutral sits near earth potential, where the supply can be reversed or comes from a changeover or dual source, in wet and outdoor locations, and where the specification or the utility requires isolation of both conductors for a given circuit type. Confirm the project requirement before selecting.

Can a two-pole 16A be used across two phases at 400V?

Only if it is rated for that duty. Some two-pole devices are intended for line and neutral, where one pole never sees full line voltage, and others are rated for line-to-line service. Ask for the rated operational voltage across the poles in writing before applying it phase-to-phase. Using a line-and-neutral device between two lines is a genuine safety issue, not a technicality.

How much room does a two-pole device take in the board?

Twice the width of a single-pole module, plus whatever spacing the board maker calls for around it. Before ordering, count the actual free ways rather than the nominal way count, since a partially filled board rarely has adjacent spaces. Check also that the comb busbar in that section can serve a two-pole device, because comb arrangements differ for single-phase and multi-phase layouts.