Omron Monitoring Relay, 3 Phase, 200 V ac→480 V ac Monitor Range, SPDT, DIN Rail

Subtotal (1 unit)*

R 2 780,79

(exc. VAT)

R 3 197,91

(inc. VAT)

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RS stock no.:
215-7854
Mfr. Part No.:
K8DS-PA2
Manufacturer:
Omron
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Brand

Omron

Product Type

Monitoring Relay

Electrical Phase

3

Function

Phase Sequence, Transducer

Contact Configuration

SPDT

Mount Type

DIN Rail

Switching Voltage

250V ac

Terminal Type

Screw

IP Rating

IP20

Minimum Operating Temperature

-20°C

Monitoring Voltage Range

200 V ac→480 V ac

Contact Current

5A

Maximum Operating Temperature

60°C

Series

K8DS

Width

17.5mm

Standards/Approvals

CSA:C22.2 No.14, UL 508 (Recognition), Korean Radio Waves Act (Act 10564), EN 60947-5-1, CCC:GB/T 14048.5

Length

74mm

Height

80mm

Omron K8DS Series Monitoring Relay, 380 to 480V Supply AC Voltage, SPDT Contact Configuration - K8DS-PA2


This monitoring relay provides three-phase sequence and transducer-style monitoring for industrial electrical systems, detecting phase rotation and phase loss within supply networks. It operates from a nominal supply of 380-480V AC and is designed for DIN-rail installation in control panels, offering Compact protection and control functionality for automation and electrical installations.

Features and Benefits:


• Detects incorrect phase order to prevent motor damage • Monitors phase loss across three phases for continuous protection • Accepts 200-480VAC sensing range for wide supply compatibility • SPDT output delivers switching at up to 5A for control circuits • Recognises switching of up to 250V AC for interfaced loads • Screw terminals enable secure termination and straightforward wiring

Applications


• Suitable for protection of 3-phase motors against wrong rotation • Ideal for use in industrial automation control panels • Used with transducer-based systems requiring phase supervision • Can be used for phase loss protection in plant distribution boards • Suitable for integration on DIN rail in machinery control cabinets

What environmental temperatures can it withstand in operation?


It is rated to operate between -20°C and 60°C, covering typical indoor industrial ambient ranges.

How is the device mounted within a control enclosure?


The unit clips onto a standard DIN rail allowing Rapid installation and replacement.

What approvals support use in regulated installations?


It meets recognised standards including EN 60947-5-1, UL508 recognition, CSA C22.2 No.14, CCC GB/T 14048.5 and compliance with the Korean Radio Waves Act.

How large is the relay for panel space planning?


The relay is a narrow-format device with a 17.5mm width to conserve rail space.

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