Dold Insulation Monitoring Relay, 1, 3 Phase, SPDT, 0 → 500V ac, DIN Rail

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£236.22

(exc. VAT)

£283.46

(inc. VAT)

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RS Stock No.:
181-2774
Mfr. Part No.:
MK5880N.38/200
Brand:
Dold
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Brand

Dold

Monitoring Application

Insulation

Electrical Phase

1, 3

Contact Configuration

SPDT

Voltage Sensing Range

0 → 500V ac

Mounting Type

DIN Rail

Time Delay

1.3s

Frequency Sensing Range

10 → 1000Hz

Series

MK5880N

Minimum Frequency Sensed

10Hz

Operating Temperature Range

+60°C

Maximum Frequency Sensed

1000Hz

Maximum Operating Temperature

+60°C

Width

22.5mm

Dimensions

97 x 22.5 x 90mm

Minimum Voltage Sensed

0V ac

Terminal Type

Screw

Maximum Voltage Sensed

500V ac

Height

90mm

Length

97mm

Minimum Operating Temperature

-20°C

COO (Country of Origin):
DE
Features
• According to IEC/EN 61 557-8
• For single and 3-phase AC-systems up to 0 ... 500 V and 10 ... 1000 Hz
• Monitors also disconnected voltage systems
• Adjustable tripping value RALof 5 ... 100 kΩ
• De-energized on trip
• Auxiliary voltage, measuring circuit and output contacts are galvanically separated
• Manual and auto reset
• With test and reset button
• Connections for external test and reset buttons possible
• LED indicators for operation and alarm
• 2 changeover contacts
• MK 5880N/200 with additional prewarning
- adjustable prewarning value 10 kΩ ... 5 MΩ
- 1 output relay for alarm and 1 for pre-warning
• MH 5880/500: similar to MK 5880N but with galvanic separated analogue output and 11 step LED chain for the actual insulation value
• Wire connection: also 2 x 1.5 mm2 stranded ferruled, or
2 x 2.5 mm2 solid DIN 46 228-1/-2/-3/-4
• As option with pluggable terminal blocks for easy exchange of devices
- with screw terminals
- or with cage clamp terminals
• MK 5880N: 22.5 mm width
MH 5880: 45 mm width

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