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Insulation monitor LK 5894

LK5894_Poti_Schwarz.png

Features

• Insulation monitoring according to IEC/EN 61557-8
• Detection of symmetric and asymmetric insulation faults
• 2 changeover contacts
• 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
• Width: 90 mm

• Insulation monitoring according to IEC/EN 61557-8
• Detection of symmetric and asymmetric insulation faults
• 2 changeover contacts
• Prewarning threshold setting range: 20 kΩ ... 2 MΩ
• Alarm threshold setting...

more...

Advantages / Customer benefit

• Preventive fire and system protection
• Quick fault localisation through selective earth fault detection to L+ and L-
• Universal application in non-earthed DC / AC and mixed IT networks with up to 690 V nominal voltage
• Suitable for large leakage capacitances up to 1000 μF
• Simplest setting via engaging rotary switches
• Optimised measuring times - normally shorter than with known methods
• Monitoring also with voltage-free mains
• Measuring circuit with broken wire detection
• No additional coupling device required

• Preventive fire and system protection
• Quick fault localisation through selective earth fault detection to L+ and L-
• Universal application in non-earthed DC / AC and mixed IT networks with up to 690 V nominal voltage
• Suitable...

more...
Function Insulation monitor
System type AC/DC
Nominal voltage up to 690 V
Reponse value type Einstellbar
Reponse value kOhm ... MOhm 1 - 2 Ohm
With auxiliary voltage +
Earth fault indicator +
Connection for indicator +
Enclosure design Schaltschrank
Width 90 mm
Type LK 5894

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Datasheet / Operating Instructions, File: pdf, File size 524 KB

Flyer, Insulation monitor LK 5894, File: pdf, File size 258 KB

Brochure, Catalog Monitoring devices VARIMETER, File: pdf, File size 7 MB

Brochure, Product overview VARIMETER, File: pdf, File size 1 MB

The insulation monitor LK 5894 of the varimeter IMD family provides best and up to date insulation monitoring of modern IT systems in an optimum and state of the art way fulfilling the relevant standards. 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.

Accessory

 

 

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