What products does Hirotronix supply?

Hirotronix supplies industrial automation sensors, machine safety systems, operator controls, level measurement systems, and automation components.

Where is Hirotronix located?

Hirotronix is located in Mississauga, Ontario, Canada.

Does Hirotronix provide worldwide service?

Yes, Hirotronix supplies automation and sensor solutions worldwide.

DOLD MK 9163N – Thermistor Motor Protection Relay

Brand

DOLD

Part number

MK 9163N

Order number

0054096

Thermistor Motor Protection Relay

Reliable temperature monitoring of motors
Rapid fault location

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Brand	DOLD
Housing width	22.5 mm
Output contacts	2 C/O contacts
Enclosure design	Switch cabinet
Order number	0054096

The thermistor motor protection relay MK 9163N is used to 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. Also the temperature monitoring of bearings, transmissions, oil and cooling liquids is possible. Up to six thermistors can be connected via the input.

Features

According to EN 60947-5-1, EN 60947-8
Monitioring of- overtemperature- broken wire detection in sensor circuit- short circuit detection in sensor circuit
1 input for 1 to 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

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

Available variants

Contact equipping	2 changeover contacts
Nominal voltage	AC/DC 24 V · AC 110 V · AC 230 V · AC 240 V · AC 400 V
Terminal type	fixed terminal blocks with screw terminals · pluggable terminal blocks with cage clamp terminals · pluggable terminal blocks with screw terminals
Approvals and Markings	UKCA · UL-rec. C/US, CCC · UL-rec. C/US, UKCA · UL-rec. C/US, UKCA, CCC
Variant	With RESET and test function via built in button. At X1/X2 RESET function only · With RESET and test function via built in button and X1/X2 · Without RESET