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Thermistor Motor Protection Relay MK 9003-ATEX

MK9003_12_11120.png

Features

• According to EN 60947-5-1, EN 60947-8, EN 60079-14, EN 61508, EN 50495, EN 13849
• Detection of
- overtemperature
- broken wire in sensor circuit
- short circuit in sensor circuit
• 1 input for 1 to 6 PTC-reistors
• Functions as options or settable with DIP-switches:
- automatic reset (fault is not stored)
- manual reset (fault is stored)
- manual reset only on start-up
- manual reset on and also after start-up
• No voltage safe manual reset
• Closed circuit operation
• LED indicators for
- auxiliary supply
- contact position
- overtemperature, broken wire or short-circuit in sensor circuit
• 2 changeover contacts
• Button for reset function
• Remote reset via terminals X1 / X2 (NO contact)
• Optionally safe separation according to EN 61 140, EN 60 947-1, 6 kV/2
between:
- auxiliary voltage and measuring circuit
- auxiliary voltage and output contacts
- measuring circuit and output contacts
- the 2 changeover contacts (only with 2 changeover contacts)
• Width 22.5 mm

• According to EN 60947-5-1, EN 60947-8, EN 60079-14, EN 61508, EN 50495, EN 13849
• Detection of
- overtemperature
- broken wire in sensor circuit
- short circuit in sensor circuit
• 1 input for 1 to 6 PTC-reistors
• Functions as...

more...

Advantages / Customer benefit

• Reliable temperature monitoring of motors
• Rapid fault location

Function Thermistor Motor Protection Relay
Measuring range max. > 3.1 kΩ
Output contacts 2 w
Enclosure design Schaltschrank
Width 22,5 mm
Type MK 9003-ATEX

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Datasheet / Operating Instructions, File: pdf, File size 181 KB

 

 

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