Omron Monitoring Relay, 1 Phase, SPDT, DIN Rail, 2mA to 500mA, 24 V dc, 240V ac

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RS Stock No.:
111-3087
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.:
K8DT-AS1CA
ผู้ผลิต:
Omron
ค้นหาผลิตภัณฑ์ที่คล้ายกันโดยเลือกคุณลักษณะอย่างน้อยหนึ่งรายการ
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Brand

Omron

Product Type

Monitoring Relay

Electrical Phase

1

Contact Configuration

SPDT

Mount Type

DIN Rail

Minimum Current Sensed

2mA

Maximum Current Sensed

500mA

Power Consumption

2.5VA

Current Sensitivity

Overcurrent, Undercurrent

Terminal Type

Push-in

Time Delay

250 ms

IP Rating

IP20

Supply DC Voltage

24 V dc

Supply AC Voltage

240V ac

Minimum Operating Temperature

-20°C

Relay Contact Current

5A

Maximum Operating Temperature

60°C

Series

K8DT-AS

Length

90mm

Standards/Approvals

RoHS, UL 60947-5-1, EN 60947-5-1

Width

17.5mm

Height

90mm

COO (Country of Origin):
CN

Omron K8DT-AS Series Monitoring Relay, 100 to 240V AC Supply Voltage, 5A Relay Contact Current - K8DT-AS1CA


This monitoring relay provides continuous current surveillance for single-phase systems, detecting both overcurrent and undercurrent conditions to support motor and equipment protection. It accepts universal AC supply voltages or a dedicated DC supply and is designed for DIN-rail mounting in control panels and switchgear.

Features and Benefits:


• Adjustable sensing range 2mA-500mA for precise detection
• Single-pole changeover contact rated 5A for load switching
• 250ms timing delay to prevent nuisance trips from transients
• Works from 100-240V AC or 24V DC supply for installation flexibility
• Push-in terminals for Faster wiring and secure connections
• Low power consumption 2.5VA to minimise auxiliary loading

Applications


• Suitable for protecting motors against phase-loss and stall conditions
• Ideal for integration into automated control panels on DIN rail
• Used for monitoring current in industrial pump assemblies
• Can be used for fault detection in conveyor drive systems
• Used with single-phase distribution circuits in machinery

What environmental temperatures can it operate within?


It is specified to function between -20°C and 60°C, enabling use in typical factory and plant environments.

How is the device mounted and connected in assemblies?


It clips onto a DIN rail and uses push-in terminals for direct conductor insertion without additional connectors.

What mechanical protection does the enclosure provide?


The unit has IP20 ingress protection, suitable for enclosed panels but not for direct exposure to liquids.

What standards approvals does it meet for electrical safety?


It complies with EN 60947-5-1 and UL 60947-5-1 and meets RoHS requirements.

How many electrical phases does it monitor and what contact configuration is provided?


It monitors a single electrical phase and provides an SPDT contact arrangement for signalling or control.

Note

K8DT-AS allow use in either overcurrent or undercurrent mode.
K8DT-AW allow overcurrent and undercurrent monitoring simultaneously

Standards

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

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