Residual Current Devices 1492-RCD
Residual Current Devices Bulletin 1492-RCDEarth Leakage Detectors for IEC Applications.
The Bulletin 1492-RCD line includes Residual Current Devices for earth leakage detection to IEC standards. These devices are used in association with miniature circuit breakers (1492-SP).
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| 1492-RCD2 | 1492-RCD4 |
- True IP2X finger-safe design (front)
- Undelayed tripping time
- Line-voltage independent tripping (suitable for residual current & additional protection)
- Rated tripping current: 30, 100, 300, 500 mA
- For applications in which AC and pulsating DC fault currents are likely to appear, nonselective and non-delayed
- Designed to prevent unwanted tripping caused by switching electronic circuit devices
- Mounts on DIN Rail
- Busbar position on top or bottom
- Conditionally surge current proof 250 A
- Rated Short-Circuit strength: 10 kA with 63 A gG/gL back-up fuse, 10 kA with 80 A gG/
gL back-up fuse for 80 A device
Product Selection
Standard Versions
| Operating Voltage, Nominal | Rated Tripping Current | Rated Operational Current | 2 poles (1 pole + neutral) | 4 poles (3 poles + neutral) |
| [V] | [mA] | [A] | Cat. No. | Cat. No. |
| 230/400V 50 Hz | 30 | 16 | 1492-RCD2A16 | — |
| 25 | 1492-RCD2A25 | 1492-RCD4A25 | ||
| 40 | 1492-RCD2A40 | 1492-RCD4A40 | ||
| 63 | — | 1492-RCD4A63 | ||
| 80 | — | 1492-RCD4A80 | ||
| 100 | 25 | 1492-RCD2B25 | 1492-RCD4B25 | |
| 40 | 1492-RCD2B40 | 1492-RCD4B40 | ||
| 63 | — | 1492-RCD4B63 | ||
| 300 | 16 | — | 1492-RCD4C16 | |
| 25 | 1492-RCD2C25 | 1492-RCD4C25 | ||
| 40 | 1492-RCD2C40 | 1492-RCD4C40 | ||
| 63 | — | 1492-RCD4C63 | ||
| 80 | — | 1492-RCD4C80 | ||
Versions for Use with Variable Frequency Drives
| Operating Voltage, Nominal | Rated Tripping Current | Rated Operational Current | 4 poles (3 poles + neutral) |
| [V] | [mA] | [A] | Cat. No. |
| 230/400V 50 Hz | 100 | 40 | 1492-RCD4B40D |
| 63 | 1492-RCD4B63D | ||
| 300 | 40 | 1492-RCD4C40D | |
| 63 | 1492-RCD4C63D | ||
Accessories 1492-RCD
| Description | Diagram | Cat. No. | |
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Dual auxiliary contact module Switches when protective device is operated manually or tripped electrically 2 N.O. – 2 N.C. 2 Form C Contact |
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1492-ASPHH3 |
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Auxiliary/signal alarm contact module 1 Auxiliary Contact switches when protective device is operated manually or tripped electrically 1 N.O. – 1 N.C. Form C Contact 1 Signal Contact switches when protective device is tripped electrically 1 N.O. – 1 N.C. Form C Contact |
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1492-ASPHS3 |