Ordering data/Type code for Monitoring relays for tap changers
For placing orders, please use the following key:
Ordering example
A customer needs a monitoring relay of type ÜRF 25/10 with cable gland and a dummy plug M20x1.5. The damper should respond at a flow rate of 2.00 m/s. The switching system should be equipped with 2 switching elements (magnet contact tubes). One contact should be normally-closed, the other one normally-open. The device should be delivered in colour RAL 7033. (Note: The unit is suitable for use of standard mineral oils and standard degree of protection IP 56)
Based on the above data the relay ordered has the following
Type code: 12-1.25.44.-0506
Explanation:
12 = ÜRF 25/10
1 = M20x1.5: 1 Cable gland and 1 dummy plug
25 = Switching system with two magnet contact tubes
44 = Casing colour RAL 7033 (cement-grey)
05 = Damper setting: 2.00 m/s +/- 15%
06 = Contact setting of switching system: one NO and one NC contact
Please contact us! We are glad to advise you and help with your selection.