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Phase Failure Relays, sequence,mod-p-1, 3 wire, mod-pn-1,4 wire, mod-p-2, mod-pn-2,modp1, modpn1, modp2, modpn2, modp, mod-p, MOD-p2, MOD-p1

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An attractive modern designed range of combined phase failure and sequence relays in a din rail mounted modular style housing. Utilising transformer technology the units are available in either 3 wire or 4 wire versions, the 4 wire version also trips on loss of the Neutral. Both types are available with either a SPCO or DPCO output. On power up with all three phases present (plus the Neutral if applicable) and in the correct sequence the output relay/s will energise, the green and red LEDs also illuminate. On loss of a phase, (or Neutral 4 wire versions), drop in voltage below Umin levels, or incorrect phase sequencing the output relay/s after a fixed time delay of 0.5secs will drop out and the red LED will be extinguished. A green supply on LED only illuminated means that there is a supply to the unit but there is a supply fault of phase loss, under volts, or sequence.

phase failure & sequence relay mod-p-1 (3 wire spco) mod-pn-1 (4 wire spco) mod-p-2 (3 wire dpco) mod-pn-2 (4 wire dpco)
Phase Failure Relays, sequence,ywrp, 8wrp, 11wrp, ywr2p, 11wr2p, 3 wire, 4 wire,sequence ywraptus, ywr2aptus

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Combined phase failure and sequence relays, available in either a din rail or 8/11 pin plug housing. The output is SPCO with an option of DPCO on either the din rail or 11 pin version. Utilising transformer technology the units are available in either 3 or 4 wire versions, the 4 wire version tripping on loss of the Neutral. On power up with all three phases present (plus the Neutral if applicable) and in the correct sequence the output relay will energise, the green and red LEDs also illuminate. On loss of a phase, (or Neutral 4 wire versions), drop in voltage below Umin levels, or incorrect phase sequencing the output relay/s after a fixed time delay of 0.5secs will drop out and the red LED will be extinguished. A green supply on LED only illuminated means that there is a supply to the unit but there is a supply fault or either a combination of; phase loss, under volts or sequence error.

phase failure & sequence relay ywrp 8wrp 11wrp (spco) ywr2p 11wr2p (dpco)