Dold MK9003.12/00100 ATEX AC110V, Thermistor Motor Protection Relay, sku: 0055997

Temperature monitoring of explosion protected Motors by „extended safety“ EX e EN 60079-7, „pressure proof enclosure“ EX d EN 60079-1 or „overpressure enclosure“ Ex px in gas containing atmosphere as well as „protection by enclosures“ Ex t EN 60079-31 in dust containing atmosphere. The thermistor Motor protection relay protects Standard and Explosion proof Motor against overheating due to overload accoding to EN 60079-14 and EN 60079-0.

• 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 3 or 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