Features of Residual Current Monitoring Unit
- For AC and pulsing DC currants Type A to IEC/TR 60755 9 tripping values from 10 mA to 10 A or from 10 mA… 30 A, by IEC/EN 62020
- Range of frequencies: 20… 2000 Hz
- choosing between an automatic and manual reset
- With prior notice
- Featuring a test and reset button
- identification of broken wires
- brief response time
- TV with programmable delay
- De-energized on-trip LED signal for contact status and auxiliary supply
- Two times one switch contact
Advantages of Residual Current Monitoring Unit
- Fire safety precautions and system defense
- Plant availability can be increased through early fault identification.
- using a residual current transformer externally
- Sealable transparent cover over setting switches to prevent manipulation
Applications of Residual Current Monitoring Unit
- Ground fault monitoring on grounded and high-resistance grounded AC/DC systems
- Systems with variable frequency drives, inverters, and other power conversion equipment
- General purpose DC systems, per NEC 250.167(B)
- General power distribution
- Motors and motor control centers
- Control systems
- Heat trace systems, per NEC 427.22 and CEC 62-116
- Solar arrays, per NEC 690.41(B) (2017 edition), NEC 690.5 (2014 edition), and CEC 64-064(4)
- Energy storage systems
Specification of Residual Current Detector
| Width: | 35 mm |
| Adjustable measuring ranges: | 0,01 – 10, 0,01 – 30 A |
| Operate delay: | Yes |
| Classification: | Type A (AC, DC pulsating) |
| Type of voltage: | AC, DC pulsating |
| Broken conductor detection: | Yes |
| Clear key: | Yes |
| Test key: | Yes |
| Relay contact/output: | Yes |
| Enclosure design: | Distribution board |
| Type: | IL 5882 |
