iAB        EARTH LEAKAGE RELAY

PRODUCT OVERVIEW

The i-AB Earth Leakage Relay is part of the authorised and exclusively distributed range of Bramco-originated protection  systems. Built, serviced and supported by m-tronix, the custodians of more than forty years of Bramco IP development, the  i-AB delivers dependable earth-fault detection for mining and industrial electrical systems.

It complies with the latest statutory and industry standards and is engineered to detect earth-fault currents with precision and  reliability.

APPLICATION

The i-AB monitors earth-fault currents flowing in a power system and provides fast, dependable tripping to protect personnel,  motors, equipment and electrical infrastructure.

Suitable for: • Mining equipment starters

• Fixed plant and industrial systems

• Underground and surface installations

• General electrical distribution where earth-fault protection is required

FEATURES

• Machine- or power-operated

• Latching / non-latching mode switch

• Fail-safe or non-fail-safe operation

• Adjustable time discrimination

• Adjustable trip-current set point

• LED indication of power-on

• LED warning when leakage current rises above the trip-current set point

• LED indication when latched

• Current-loop or voltage output (20 mA or 2–10 V)

• Compatible with range of m-tronix Earth Leakage toroids

ORDERING INFORMATION

SPECIFICATIONS

Supply:

• 100–240 V AC 50/60 Hz (optional)

• 24–48 V AC/DC 50/60 Hz (optional)

Voltage Tolerances:

• –30% to +20%

Material:

• High-impact polycarbonate

Trip Delay:

• Adjustable from 30 to 500 ms

• Optional: 1 sec, 2 sec, 5 sec

Trip Current:

• Adjustable from 50 to 500 mA

Enclosure

Dimensions: 55 mm (W) × 75 mm (H) × 110 mm (D)

Material: High-impact-resistant polycarbonate construction. IP20 rating Mounting: DIN rail

Terminals: Cage screw terminals

Weight: 230 g

COMPLIANCE

• N.S.W Mines MDA EXiB 11317

• QLD Mines QMD 947346X

• AS 2081:2002.3-1988 Compliant (approvals apply to 500 mA / 500 ms only)

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m-tronix Pty Ltd

info@m-tronix.com.au | +61 435 939 513 | www.m-tronix.com.au