Fuse Monitor
RN 9075
Article number:
0066928
Type:
RN9075.11/61 3/N AC138-440/78-253V
Description
The fuse monitors RL 9075 and RN 9075 of the varimeter series monitor up to 3 fuses. The measurement is very simple and without extensive wiring, as no separate auxiliary supply is necessary. The fast detection of a defective fuse protects against expensive damages and the user has the benefit of high operational performance and availability of the plant.
Technical specifications
| 1- / 3-phase: | 1, 3 |
|---|---|
| Approvals: | UL |
| Enclosure design: | Distribution board |
| Measuring range max.: | 3 AC 400 V |
| Output contacts: | 1 C/O contact |
| Standard measuring range: | 3/N AC 400/230 V |
| Type: | RN 9075 |
| Width: | 52,5 mm |
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Advantages / Customer benefits
- Increasing the availability of plants by early detection of blown fuses, that may cause damage if undetected
- Fast detection of blown fuses also with disconnected load availability of your plant on request
- Reliable detection of blown fuses inspite of:
- asymmetric mains
- harmonic content
Features
- According to IEC/EN 60255-1
- To monitor fuses in single and 3-phase AC voltage systems with neutral
- Adjustable operating voltages: 400 V / 230 V and 230 V / 130 V and 110 V / 64V
- Undervoltage detection below 0.8 x UB
- Fast detection of a blown fuse
- No separate auxiliary necessary
- Output: 1 changeover contact
- De-energized on trip
- Adjustable switching delay
- Width:
- RL 9075: 35 mm
- RN 9075: 52.5 mm