Relay rò điện MH EL - Series

Mã: EL

Danh mục: Relay bảo vệ

Giá: Liên hệ

With the MH Earth Leakage Relay available in either DIN-rail or panel mount type with current/ time selectivity, the MH EL series is a versatile solution for residual current protection for all levels of low voltage installations, from low-voltage lines to power distribution, up to terminal distribution, ensuring a high level of service continuity.

The MH Earth Leakage Relay series are combined with a wide range of zero phase current transformers with diameter sizes from 35mm to 140mm, providing the maximum application flexibility for an effective protection in every point of the system.

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FEATURES:

Manual test button for relay operation checking
Realtime monitoring of leakage current [%]
Detection of “No-connection” to ZCT (Zero Phase Current Transformer)
Tamper proof design for setting protection
Type tested for EMC compliance in accordance with IEC 61000
High immunity to electrical interference (tested to 2.5GHz)
Type tested for operational accuracy in accordance with IEC 60255-1
Highest accuracy ZCT (>1,000 ampere-turn transformation)
Type tested in accordance with IEC 60044

TECHNICAL DATA:

Power supply

AC110/240V ± 15% * other voltages available on request

Operating frequency

50/60HZ

Operating and storage temperature range

Operating -10°c to 55°C
Storage and transit -20°C to 65°C

Relative humidity (IEC 60068-2-30)

95% at +40°C

Degree of protection (IEC 60529)

IP52

Voltage withstand (IEC 60255-5)

2kVrms for 1 min between all case terminals connected together and the case earth terminal
2kVrms for 1 min between independent circuit including contact circuits

Insulation Resistance

>1000 MOhm

Power Consumption

Approximately 2.5VA

Operational life expectancy

Electrical: > 1 x 10⁵ operations
Mechanical: > 5 x 10⁶ operations

Output contact

AC 250V 5A

LED status indication

Normal operation, fault current detected / link fault to ZCT

Housing material

ABS resin complying with UL94VO

Net weight

Approx. 300g

COMPLIANCE WITH STANDARDS:

IEC/EN 60755	General rules for residual-current protection devices
IEC/EN 61000 -4 -2	Electrostatic discharge immunity test
IEC/EN 61000 -4 -3	Radiated, radio-frequency, electromagnetic field immunity test
IEC/EN 61000 -4 -4	Electrical fast transient/ burst immunity test
IEC/EN 61000 -4 -5	Surge immunity test

ORDERING INFORMATION:

Model	Description
EL 03	Earth Leakage relay Sensitive current from 0.03 to 3A
EL 10	Earth Leakage relay setting range 0.1 to 10A
EL 30	Earth Leakage relay setting range 0.5 to 30A
EL 03P	Earth Leakage relay Sensitive current from 0.03 to 3A
EL 10P	Earth Leakage relay setting range 0.1 to 10A
EL 30P	Earth Leakage relay setting range 0.5 to 30A
EL 03D	Digital Earth Leakage relay setting range 0.03 to 3A
EL 30D	Digital Earth Leakage relay setting range 300mA to 30A