Relays offer adjustable thresholds and delay
An
IMO Precision Controls product story
Edited by the Engineeringtalk editorial team
Jun 21, 2005
The MR family of three-phase voltage relays is specially designed to offer adjustable thresholds and tripping delay.
IMO Precision Controls has unveiled a new series of monitoring relays.
The MR family of three-phase voltage relays is specially designed to offer adjustable thresholds and tripping delay.
Other functions include monitoring of phase sequence and phase failure with the ability to monitor an asymmetry with adjustable threshold.
Further functions can be selected by means of a rotary switch.
The new relays, which carry a fault latch and a selectable supply voltage via external power modules, are also equipped with two potential-free changeover contacts.
The rated output voltage is 250V AC and switching capacity is 750VA (3A/250V AC); maximum switching frequency is 60/min at 100VA resistive load.
The width of the relays is 22.5mm, length 103mm and height 90mm.
This new IMO family comes in self-extinguishing plastic housing with an IP rating of IP40, DIN-rail mountable according to EN50022.
Shock-proof terminal connections can be achieved to accident prevention regulation VGB 4.
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