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LV Components

HJ-MCB Series Miniature Circuit Breakers

The HJ-MCB family covers miniature circuit breakers for overcurrent protection of final distribution circuits. Values shown are common buyer-screening ranges, not certified ratings for a specific model. Confirm the selected model, quotation, drawings, reports and certificates before purchase.

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HJATIS HJ-MCB miniature circuit breaker for final low-voltage distribution circuitsHJATIS EQUIPMENT PLATFORM

TYPICAL BUYER SCREENING RANGE

Technical data, organised for comparison.

These are common planning ranges for early product screening, not certified ratings for a specific model. Confirm the selected model, quotation, drawings, reports and certificates before purchase.

01

Typical selection data

ParameterPlanning range to verify
System voltage230/400 V AC
Current / input range1–125 A
Typical configuration6/10 kA; B/C/D trip curves; pole arrangements by model
InstallationDIN-rail component
Applicable standard familyIEC 60898-1 family (exact edition and evidence to confirm)

CONFIGURATION

Record the exact unit offered for the project.

Confirm the selected ratings, construction and accessories in the project technical schedule.

ParameterCatalogue indicationProject input required
01System voltage230/400 V ACConfirm system voltage, frequency and network arrangement.
02Current / input range1–125 AConfirm load current, frame or input range and derating conditions.
03Typical configuration6/10 kA; B/C/D trip curves; pole arrangements by modelConfirm the required functions, performance and coordination.
04InstallationDIN-rail componentConfirm mounting, panel interface, accessories and environment.
01Service conditions

Confirm network duty, installation environment and operating sequence before selecting a configuration.

02Electrical ratings

Record voltage, current, short-circuit duty, insulation level and enclosure details for the offered unit.

03Test-report applicability

Check the tested model, components and declared variations against the proposed configuration.

STANDARDS & REPORT STATUS

Verify the offered configuration.

Review the applicable standard family, including IEC 60898-1 family (exact edition and evidence to confirm). Confirm the exact part and edition, then request the report index, tested-model schedule and a written comparison with the equipment offered.

REPORT STATUSCheck against the offered model

Request the report index and applicability statement for the exact configuration.

Compare GB and IEC references ↗HJATIS does not receive your StandardBridge inputs or results automatically.

APPLICATIONS

Place the equipment inside the system.

01

Low-voltage distribution boards

Confirm network duty, operating conditions and project interfaces before final selection.

02

Industrial control panels

Confirm network duty, operating conditions and project interfaces before final selection.

03

Commercial and infrastructure power systems

Confirm network duty, operating conditions and project interfaces before final selection.

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PROJECT INPUT

Send the SLD, specification or BOQ.

We will confirm the electrical scope, interfaces and documents required for an engineering review.

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