UKM240280 - Système d'installation au sol HAGER - Free user manual and instructions
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| Product Type | Residual Current Circuit Breaker (RCCB) |
| Model | UKM240280 |
| Brand | Hager |
| Number of Poles | 2 (Double Pole) |
| Rated Current (In) | 40 A |
| Rated Residual Current (IΔn) | 30 mA |
| Rated Voltage | 230 V AC |
| Rated Frequency | 50/60 Hz |
| Breaking Capacity | 10 kA |
| Tripping Characteristic | Type A (sensitive to sinusoidal and pulsating DC) |
| Mounting Type | DIN Rail (35 mm) |
| Width (Modular Units) | 2 modules (36 mm) |
| Dimensions (H x W x D) | 85 mm x 36 mm x 70 mm |
| Net Weight | Approx. 0.15 kg |
| Terminal Capacity | 1.5 to 25 mm² (flexible/rigid) |
| Protection Class | IP20 |
| Operating Temperature | -25°C to +55°C |
| Standards Compliance | IEC 61008-1, EN 61008-1 |
| Test Button | Yes (monthly test recommended) |
| Visual Indication | Mechanical ON/OFF indicator (red/green) |
| Auxiliary Contacts | Optional (Hager add-on auxiliary switch) |
| Repairability | Non-repairable; replace if faulty |
| End of Life | Recommended replacement every 10-15 years or after fault |
Frequently Asked Questions - UKM240280 HAGER
What is the rated residual current (IΔn) of the Hager UKM240280?
The rated residual current is 30 mA, suitable for personal protection against electric shock.
Can the UKM240280 be used in a three-phase system?
No, this is a double-pole device designed for single-phase 230 V AC systems.
How do I install the UKM240280 on a DIN rail?
Simply clip it onto a standard 35 mm DIN rail. Ensure the rail is properly grounded.
What should I do if the RCCB trips frequently?
First, identify the cause by unplugging appliances and resetting. If persists, check for faulty wiring or moisture. If unresolved, replace the unit.
Is the UKM240280 compatible with Hager MCBs?
Yes, it can be used with Hager MCBs of the same series, such as MCN, MSN, etc., on the same DIN rail.
What is the maximum wire size for the terminals?
Terminals accept cables from 1.5 to 25 mm² (flexible or rigid). Use appropriate tightening torque.
How often should I test the RCCB?
Press the test button monthly to ensure mechanical and electrical function. The device should trip immediately.
What is the expected lifespan of the UKM240280?
Approximately 10 to 15 years under normal conditions. Replace after any major fault or if test fails.
Can I clean the RCCB with water?
No, only wipe with a dry cloth. Keep the device free from dust and moisture.
Does this RCCB have auxiliary contacts?
It does not include built-in auxiliary contacts, but Hager add-on modules are available for remote indication.
User questions about UKM240280 HAGER
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USER MANUAL UKM240280 HAGER
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Product information
Brand : HAGER
Model : UKM240280
Category : Système d'installation au sol