| Brand | DOLD |
|---|---|
| Housing width | 90 mm |
| Approvals | UL |
| Enclosure design | Switch cabinet |
| Order number | 0065217 |
DOLD LK 5895 – Insulation monitor
- Brand
- DOLD
- Part number
- LK 5895
- Order number
- 0065217
Insulation monitor
- Preventive fire and system protection
- Quick fault localisation through selective earth fault detection to L+ and L-
- Universal application in non-earthed AC, DC, AC/DC networks with up to 1000 V nominal voltage
- Suitable for large leakage capacitances up to 3000 μF
- Simplest setting via engaging rotary switches
Price and lead time on request — add this part to your quote list and we will reply with pricing and availability.
The insulation monitor LK 5895 of the VARIMETER IMD family is a solution for optimal insulation monitoring of modern IT systems. The device can be used in the most flexible way for AC, DC and AC/DC systems even with large leakage capacity to earth (PE). The adjustment of the setting values is simple and user friendly done on 2 rotary switches on the front of the device. Via LEDs the measured value, device parameters and device status are indicated easy to read.
Features
- Insulation monitoring according to IEC/EN 61557-8
- Detection of symmetric and asymmetric insulation faults
- Measuring circuits can be disconnected via control terminals, e.g. for mains couplings
- 1 changeover contact each for prewarning and alarm
- Prewarning threshold setting range: 20 kΩ … 2 MΩ
- Alarm threshold setting range: 1 kΩ … 250 kΩ
- Energized or de-energized on trip can be selected for output relay
- Setting the maximum leakage capacitance to shorten the response time
- Simple, clearly arranged adjustment of the device with screwdriver
- LED chain to indicate the current insulation resistance
- Display of active measuring circuits
- Automatic and manual device self-test
- Alarm storage selectable
- External test and reset pushbutton can be connected
- Width 90 mm
Technical specifications
| Approvals | UL |
|---|---|
| Auxiliary voltage | DC |
| Classification | For photovoltaic systems |
| Earth fault indicator | Yes |
| Enclosure design | Switch cabinet |
| IMD type | AC, AC/DC, DC |
| Nominal voltage IT system | AC 0 – 1000 V, DC 0 – 1000 V |
| Response value | 1 – 250 kΩ |
| Response value type | Adjustable |
| Width | 90 mm |
| Type | LK 5895 |
Available variants
| Alarm value | 1 – 15 kOhm · 1 – 250 kOhm |
|---|---|
| Auxiliary voltage | DC 24 V |
| Contact equipping | 2 x 1 changeover contact |
| Prewarning value | 1 – 250 kOhm · 2 – 18 kOhm · 5 – 500 kOhm · 20 kOhm – 2 MOhm |
| Approvals and Markings | UKCA · UL-listed C/US, UKCA |
| Variant | Without wire-break detection at L(+)/L(-). Without analog output · With wire-break detection at L(+)/L(-). Analogue output with linear output function to indicate the insulation resistance value. With adapted measurement algorithm · With wire-break detection at L(+)/L(-). With analog output · With wire-break detection at L(+)/L(-). Without analog output · With wire-break detection at L(+)/L(-). Without analog output. With adapted measurement algorithm · With wire-break detection at L(+)/L(-). Without analog output. With extended temperature range · With wire-break detection at L(+)/L(-). Without analog output. With reduced measuring voltage |
Tell us the variant you need in your quote request.







