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

View all Monitoring Relays
Bulk discount available

Subtotal (1 unit)*

£111.10

(exc. VAT)

£133.32

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • Plus 38 unit(s) shipping from 20 April 2026
  • Plus 9 unit(s) shipping from 13 May 2026
  • Plus 11 unit(s) shipping from 24 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units
Per unit
1 - 4£111.10
5 +£106.60

*price indicative

RS Stock No.:
819-3201
Distrelec Article No.:
300-17-990
Mfr. Part No.:
K8AK-AS1 100-240VAC
Brand:
Omron
Find similar products by selecting one or more attributes.
Select all

Brand

Omron

Product Type

Monitoring Relay

Electrical Phase

1

Contact Configuration

SPDT

Mount Type

DIN Rail

Minimum Current Sensed

2mA

Maximum Current Sensed

500mA

Current Sensitivity

Overcurrent, Undercurrent

Terminal Type

Screw

Minimum Operating Temperature

-20°C

Supply AC Voltage

240V ac

Relay Contact Current

500mA

Maximum Operating Temperature

60°C

Height

90mm

Series

K8AK-AS

Length

100mm

Standards/Approvals

CE, CSA, CCC

Width

22.5mm

Omron K8AK-AS Series Monitoring Relay, 500mA Maximum Current Sensed, 2mA Minimum Current Sensed - K8AK-AS1


This monitoring relay is designed for efficient current monitoring in various applications. It features a compact design with dimensions of 100 x 22.5 x 90mm, making it suitable for DIN rail mounting. The relay operates within a broad temperature range, perfect for industrial settings that require precise electrical control.

Features & Benefits


• Integrates overcurrent and undercurrent protection efficiently

• Detects a wide current range from 2 mA to 500 mA

• Single-phase operation ensures effective monitoring

• Reliable screw terminal type facilitates secure connections

• Suitable for environments with temperatures from -20 °C to +60 °C

Applications


• Utilised in electrical installations for current monitoring

• Applied in control panels for automation systems

• Ideal for protecting motors against overcurrent conditions

• Used in industrial equipment requiring precise current sensing

How does this device handle different current sensitivities?


It effectively manages both overcurrent and undercurrent conditions, allowing for tailored monitoring to protect systems from current fluctuations.

What is the significance of the DIN rail mounting type?


DIN rail mounting provides a streamlined and secure installation in various control enclosures, maximising space efficiency in control panels.

What environmental conditions can it withstand?


The relay operates optimally in temperatures ranging from -20 °C to +60 °C, ensuring reliability in diverse operational settings.

What are the benefits of using screw terminals?


Screw terminals offer robust electrical connections, easy troubleshooting, and dependable long-term performance, especially in industrial environments.

What current ranges can it monitor?


This device is capable of detecting currents ranging from as low as 2 mA to a maximum of 500 mA, covering a wide spectrum of applications.

Omron K8AK-AS/AW Monitoring Relays


The Omron K8AK series monitoring relays are expertly designed for accurate and reliable monitoring for industrial facilities and equipment. The K8AK-AW/AS relays are suitable for undercurrent and overcurrent monitoring, which the K8AK-AW can do simultaneously.

Manual resetting and automatically resetting can be maintained by one relay.

Startup lock and operating time can be set individually.

Standards

EN 60947-5-1 pollution level 2 installation category III, UL 508.
Terminal protection IP20.

Related links