Phase Failure Relay with Timer, 4-wire System 415VAC

In stock (2 items available)
  • Weight
    0.25 kg
  • SKU
    NTR-301T

DIN rail mount, 4-wire system phase failure relays with independent over & under voltage control and adjustable time delay sequence (0.1 to 10 sec). SPCO relay output rated to 10 A @250 VAC. These are transformer based, thus it will ignore transients and harmonic distortions.

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Phase failure relays from Foxtam UK with independent over and under voltage control as well as the additional adjustable sequence control.

An adjustable time delay of 0.1 to 10 sec (not true delay off), which is effective against voltage control and phase sequence. The units are transformers based and thus will ignore transients and harmonic distortions.

The SPCO output relay is energised when all three phases are connected and in sequence and within the set voltage limits. The output relay(s) will de-energise if one or more voltages between phases are under the value of the minimum set level or above the value of the maximum set level, less any set time delay.

The units will also de-energise on loss of a phase or incorrect sequence. Red LED indicates over and under voltage conditions. A green LED indicates output relay status. If both are illuminated this indicates a phase sequence error.

  • Nominal supply: 3×415 VAC
  • Permanent tolerance: ±15%
  • System: 4 wire
  • Frequency: 50 Hz
  • Umin adjustable: 0 to 30% of nominal (phase to phase)
  • Umax adjustable: 0 to 20% of nominal (phase to phase)
  • Hysteresis: Fixed 3%
  • Delay on tripping: 0.1 to 10 sec
  • Repeat accuracy:+2% of set values
  • Max power consumption:<3 VA
  • Insulation: 2.5 KV @ 50 Hz impulse
  • Output contacts: SPCO 10 A @250 VAC
  • Max breaking capacity: SPCO 4000 VA
  • Mechanical life: 30 Million ops
  • Electrical life: 200K ops at max rated load
  • Operating temperature: -10 °C to+40 °C
  • Storage temperature: -10 °C to+60 °C
  • Max cable size:4 mm
  • CE marked:Yes
  • In accordance with: EN61000-6-1: 2007, EN61000-6-3: 2007, EN61010-1: 2002
  • Housing Material: Thermo plastic ABS (DIN7728)
  • Extinguishable according to UL94V0
  • Manufacturer's Part:YWRUPS 4W

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

Full Terms and Conditions

By placing an order with Ocean Controls, you agree to be bound by our Terms and Conditions of Trade.

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