ENGINEERED POWER DISTRIBUTION · CHINA
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Metering & Protection

HJ-MPR Series Motor and Feeder Protection Relays

The HJ-MPR family covers motor and feeder protection relays for protecting and monitoring low-voltage motors and feeders. 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.

HJATIS HJ-MPR motor and feeder protection relay with digital display and CT inputsHJATIS 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 voltageCT/VT measurement; 85–265 V AC/DC auxiliary supply typical
Current / input range1 A / 5 A CT secondary input
Typical configurationOvercurrent, earth fault, phase loss/unbalance and motor functions by model
InstallationPanel-mounted relay
Applicable standard familyIEC 60255 family (exact functions, 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 voltageCT/VT measurement; 85–265 V AC/DC auxiliary supply typicalConfirm system voltage, frequency and network arrangement.
02Current / input range1 A / 5 A CT secondary inputConfirm load current, frame or input range and derating conditions.
03Typical configurationOvercurrent, earth fault, phase loss/unbalance and motor functions by modelConfirm the required functions, performance and coordination.
04InstallationPanel-mounted relayConfirm 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 60255 family (exact functions, 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

Feeder and motor monitoring

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

02

Energy management systems

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

03

Industrial and commercial distribution

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

PROJECT INPUT

Send the SLD, specification or BOQ.

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

Submit this requirement