Products

Residual Current Operated Relay
Residual Current Operated Relay

Residual Current Operated Relay

Category： Intelligent Detection and Control System

E-mail: Sherry.fu@3moretech.com

Inquiry Recommend

Product Details

Application

● Subway

● Large gymnasium

● Power plant

● Petrochemical industry

● Pharmaceutical industry

● Mining industry

● Photovoltaic new energy

Structure

1

1

Collect switch signals by PLC, and upload to monitoring system

1

RS485 connection

1

Main Functions

◆ Cooperate with AC contactor or circuit breaker,to realize earth fault protection and fire protection.

◆ Adjustable l△n:0.03A to 30A.

◆ Adjustable limiting non-actuating time:0 to 30s.

◆ 2DO (warning and alarm)

◆ Manual,auto and remote reset

Product Selection

Model

Installation

Functions

MSJ10-LD1C

DIN35mm

Measurement of type AC residual current
Alarm when the residual current exceeds the set value
Adjustable rated residual current from 0.03 to 0.5 A
Adjustable limiting no-actuating time from0.1s to 0.5s
2 relay output(1 NC contact,1 normal changeover contact) Local/remote "test"and "reset"function

MSJ10-LD14

Measurement of type A residual current
Residual current percentage light bar indication  (30%,50%,70%,TRIP) Adjustable rated residual current from 0.03 to 30 A
Adjustable limiting no-actuating time from 0.1 to 10s               2 programmable relay output(1 NC contact,1 normal changeove
contact).Local/remote/automatic "test"and "reset"function

MSJ10L-LD1A

Measurement of type A residual current
Continuously adjustable of Rated residual current from 0.03 to 30 A Continuously Adjustment of limiting no-actuating time0.1 to 10s
2 programmable relay output(1 NC contact,1 normal changeover contact)
Local/remote/automatic "test"and "reset"function
Multi-function LC display
RS485 communication with modbus-RTU protocol

MSJ20-LD1C

Measurement of type AC residual current
Alarm when the residual current exceeds the set value
Adjustable rated residual current from 0.03 to 0.5 A
Adjustable limiting no-actuating time from0.1s to 0.5s
2 relay output(1 NC contact,1 normal changeover contact) Locall/remote "test"and "reset"function

MSJ20-LD1A

Measurement of type A residual current
Residual current percentage light bar indication (30%,50%,70%,TRIP) Adjustable rated residual current from 0.03 to 30 A
Adjustable limiting no-actuating time from 0.1 to 10s
2 programmable relay output(1 NC contact,1 normal changeover contact) Local/remote/automatic "test"and "reset"function

■ Accessories:MKH-0.66/L series residual current transformer 

Model

Rated Load

Ratio

Class

φ(mm)

L-35

16~100A

5A/5mA

0.5

35

L-70

100~250A

5A/5mA

0.5

70

L-105

250~400A

5A/5mA

0.5

105

L-45

16~100A

5A/5mA

 1

45

L-80

100~250A

5A/5mA

 1

80

L-100

250~400A

5A/5mA

 1

100

L-150

400~800A

5A/5mA

 1

150

L-200

800~15004

5A/5mA

 1

200

L-80×50I

16~100A

5A/5mA

0.5

82×52

L-100×50II

16~100A

5A/5mA

0.5

103×55

L-130×50

100~200A

5A/5mA

0.5

135×55

L-150×1301

100~3004

5A/5mA

0.5

150×133

L-180I

100~200A

5A/5mA

0.5

182×35

L-200×50II

250~400A

5A/5mA

0.5

202×61

L-260×100II

450~800A

5A/5mA

0.5

265×104

L-170×30

100~200A

5A/5mA

1

172×34

L-210×160

450~800A

5A/5mA

0.5

210×160

Keywords： Residual Current Operated Relay

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