Omron Phase Monitoring Relay With SPDT Contacts, 3 Phase, 115 → 240 V ac

  • RS Stock No. 819-3258
  • Mfr. Part No. K8AKPM1200240VAC
  • Manufacturer Omron
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

Omron K8AK-PW/PM/PH/PA Monitoring Relays

The Omron K8AK series monitoring relays are expertly designed for accurate and reliable monitoring for industrial facilities and equipment.
The K8AK-PW/PM monitoring relays are designed to bear greater resistance to inverter noise, suitable for monitoring 3-phase power supplies.
The K8AK-PH relays are ideal for preventing issues with motor operation and assisting phase loss detection.
The K8AK-PA relays are suitable for 3-phase voltage asymmetry monitoring.

K8AH-PM1 Monitoring Relay.

• Resistant to inverter noise. • Monitors over voltage, under voltage, phase sequence and loss for 3 and 4 wire power supplies.
• Switch setting.
• 2 x SPDT output relays.
• 5 A (resistive load) at 250 V ac
• Global power specification supported by one switchable unit.
• Output status monitored by using LED indicator.

K8AK-PM1 Model.

Monitoring Relay. 3-phase 3 wire mode, 200, 220, 230, 240 V ac.
3-phase 4 wire mode, 115, 127, 133, 138 V ac.
3-phase 3 or 4 wire input rages is switched using a DIP switch.
Power supply voltage is the same as the rated input value.

Features and Benefits.

• Input load 4.4 VA • Automatic reset method.
• Power on LOCK time 1 s/5s (changed with the DIP Switch).
• Two SPDT relays NC (normally closed)
• Power (PWR) indicator – Green.
• Relay (RY) output – Yellow.
• Over / under - Red
• Case is PC and ABS, UL 94-V-0, N1.5.
• Weight 150 g.
• DIN Rail mounted.
• Protection IP 20

What is a Monitoring / Measuring Relay?

A monitoring / measuring relay is a protective control device, various types are available suiting what you wish to monitor. The relays receive input signals then monitor them and then output an alarm signal when a set value is reached (alarm relays). The relays protect your equipment against over voltage and over current faults. Monitoring relays monitor AC power supplies, voltage and current, analogue signals detecting unusual activity in equipment against set alarm thresholds.

Types of Monitoring Relays Available?

• Motor protection relays
• Temperature monitoring relays
• Water level control relays
• Voltage
• Current

Standards

EN 60947-5-1, UL 508, IP 20

Specifications
Attribute Value
Monitoring Application Phase
Supply Voltage 115 → 240 V ac
Contact Configuration SPDT
Electrical Phase 3
Phase Sensitivity Overvoltage, Phase Loss, Phase Sequence, Undervoltage
Time Delay 0.1 → 30 s
Series K8AK-PM
Dimensions 22.5 x 100 x 95 mm
Maximum Operating Temperature +60°C
Minimum Operating Temperature -20°C
Height 95mm
Operating Temperature Range -20 → +60 °C
Width 100mm
Length 22.5mm
4 In stock for delivery within 5 working day(s) (Global Stock)
Price (ex. GST) Each
Was $250.60
$ 198.36
(exc. GST)
$ 218.20
(inc. GST)
units
Per unit
1 - 2
$198.36
3 - 4
$181.01
5 +
$161.42
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