| Brand | DOLD |
|---|---|
| Housing width | 35 mm |
| Output contacts | 1 C/O contact |
| Enclosure design | Distribution board |
| Phases | 1 |
| Order number | 0056555 |
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DOLD IL 9837 – Frequency Relay
- Brand
- DOLD
- Part number
- IL 9837
- Order number
- 0056555
Frequency Relay
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Price and lead time on request — add this part to your quote list and we will reply with pricing and availability.
The frequency relay IL 9837, SL 9837 can be used to monitor the frequency of AC voltage systems, rotor frequency of slip ring motors, control/monitoring of motors on cranes, monitoring the output frequency of inverters (IL9837.11/500).
Features
- According to IEC/EN 60255-1
- Overfrequency or underfrequency monitoring of AC voltages
- Adjustable response value fmin. or fmax 5 … 200 Hz or 15 … 600 Hz
- Adjustable hysteresis
- Large voltage range of the measuring input (nominal voltage AC 24 … 440 V)
- De-energized on trip
- LED indication for auxiliary voltage, measuring voltage and contact position
- 1 changeover contact
- As option for frequency inverters with a range of 1 … 300 Hz
- 2 changeover contacts available on request
- As option adjustable start-up delay available
- Energized on trip function available on request
- Devices available in 2 enclosure versions:IL 9837: depth 58 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43880SL 9837: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct
- 35 mm width
Technical specifications
| 1- / 3-phase | 1 |
|---|---|
| Auxiliary voltage required | Yes |
| Enclosure design | Distribution board |
| Measuring range max. | 300 Hz |
| Operate delay | Yes |
| Output contacts | 1 C/O contact |
| Standard measuring range | 5 – 200 Hz |
| Width | 35 mm |
| Type | IL 9837 |
Available variants
| Auxiliary voltage | AC 115 V · AC 230 V · AC 400 V · DC 12 V · DC 24 V |
|---|---|
| Contact equipping | 1 changeover contact · 2 changeover contacts |
| Hysteresis | 1 – 20 % |
| Measuring range | 1 – 300 Hz · 2 – 500 Hz · 5 – 200 Hz |
| Start up delay | 0,1 – 20 s · Without |
| Approvals and Markings | CCC |
| Variant | Frequency input for frequency inverters, selected with frequency mode. With measuring input for frequency inverters · Frequency input for frequency inverters, selected with frequency mode. With measuring input for frequency inverters. With adjustable start-up delay time · Monitoring from power systems of overfrequency and underfrequency. De-energized on trip |
Tell us the variant you need in your quote request.
