Relay chạm đất MH REF 052e

Mã: REF052e

Giá: Liên hệ

Relay bảo vệ chạm đất IDMTL Ref 052e

REF 052e là phiên bản tương tự nhưng đơn giản hóa của rơle bảo vệ sự cố chạm đất IDMTL MH REF 052. REF 052e cung cấp các chức năng bảo vệ cơ bản, loại trừ hệ thống chỉ báo sự cố MTB.

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Tài liệu

REF 052e - IDMTL Overcurrent & Earth Fault Relay

Feature REF 052e

Provides elementary protection functions
Added security against nuisance trip handling
Manual test button for relay operation checking
Integrated surge arrester against transient overvoltages
Tamper-proof design for settings protection
EMC type tested in accordance with IEC 60255-26 / IEC 61000-4 series
Designed with LED display
Curve selection in accordance with ANSI, IAC, IEC, 1.3, DTL
- Normally Inverse (NI)
- Very Inverse (VI)
- Extremely Inverse (EI)
- Short time Inverse (STI)
- Moderate Inverse (MI)
Trip value recording (4-memory)
High set mode is incorporated for instantaneous protection

Technical Data REF 052e

Power supply	AC / DC 85 -265V (other voltages available on request)
Operating Frequency	50/60Hz
Rated Current	5A (1A available upon request)
Earth Faul Time multiplier setting	0.03 - 2.00 (0.01 step)
Earth Faul High-Set	2.0 - 10.0x setting current (0.1 step)
Earth Fault Current setting	2.0 - 50% (0.1% per step)
Time setting range (DTL)	0.03 -2.00 sec (0.01 sec step)
Pick-up current	100 -115% of the setting current
Reset current value	< 90% of the operating value
Operating and storage temperature range	-10° to 55° C
Curve Standard	IEC, IAC, ANSI, 1.3/10, DTL
Curve Type	Normal Inverse, Very Inverse Extremely Inverse, Short Time Inverse (Not for ANS) Moderate Inverse (Only for ANSI)
Relative humidity	95% at +40°C
Degree of protection	IP54 (Front)/ IP20 (Rear)
Operation life expectancy	Electrical: > 10,000 operations Mechanical: > 5 x 10° operations
Output contact	AC250V 5A
Indication	Red LED (relay tripped)
Housing material	ABS resin complying with UL94VO
Unit Weight	Approximately 500g
Power consumption	< 2VA