Thermistor Motor Protection Relay
MK 9163N ATEX

. To protect against thermal overload of motors caused by high switching frequency, havy duty starting, phase failure on one phase, bad cooling, high ambient temperature
. Temperature monitoring of bearings, transmissions, oil and cooling liquids

Advantages
. Reliable temperature monitoring of motors
. Rapid fault location

Features
. According to EN 60947-5-1, EN 60947-8, EN 60079-14, EN 61508, EN 50495, EN 13849
. Monitioring of
- overtemperature
- broken wire detection in sensor circuit
- short circuit detection in sensor circuit
. 1 input for 3 or 6 PTC-resistors
. De-energized on trip
. LED-indicator for
- auxiliary supply
- state of contact
. Output with 2 changeover contacts
. As option with manual reset, internal reset button and external remote reset X1/X2
. 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
. Width 22.5 mm

Technical specifications
Width: 22,5mm
Enclosure design: Switch cabinet
Measuring range max.: > 3.8 kΩ
Output contacts: 2 C/O contacts
Auxiliary voltage: AC, AC/DC
Classification: Thermistor-Motorschutz
Type: MK 9163N ATEX


Manufacturer: E. Dold & Söhne GmbH & Co. KG
Type: MK9163N.12/010 ATEX AC50/60HZ 230V
Art. No.: 0056452