MPN

Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail

RS Stock No.:: 819-3201
Mfr. Part No.:: K8AK-AS1 100-240VAC
Brand:: Omron

Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail

Bulk discount available

Subtotal (1 unit)*

£106.80

(exc. VAT)

£128.16

(inc. VAT)

FREE delivery for orders over £50.00

Temporarily out of stock

7 unit(s) shipping from 11 December 2025
Plus 6 unit(s) shipping from 18 December 2025
Plus 10 unit(s) shipping from 08 January 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 - 4	£106.80
5 +	£102.47

*price indicative

RS Stock No.:: 819-3201
Mfr. Part No.:: K8AK-AS1 100-240VAC
Brand:: Omron

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Omron
	Monitoring Application	Current
	Electrical Phase	1
	Contact Configuration	SPDT
	Mounting Type	DIN Rail
	Minimum Current Sensed	2mA
	Maximum Current Sensed	500mA
	Current Sensitivity	Overcurrent, Undercurrent
	Series	K8AK-AS
	Minimum Operating Temperature	-20°C
	Current Range	10 → 100 mA, 2 → 20 mA, 50 → 500mA
	Maximum Operating Temperature	+60°C
	Height	90mm
	Dimensions	100 x 22.5 x 90mm
	Standards Met	CE
	Terminal Type	Screw
	Length	100mm
	Operating Temperature Range	+60°C
	Width	22.5mm

	Select all
	Brand Omron
	Monitoring Application Current
	Electrical Phase 1
	Contact Configuration SPDT
	Mounting Type DIN Rail
	Minimum Current Sensed 2mA
	Maximum Current Sensed 500mA
	Current Sensitivity Overcurrent, Undercurrent
	Series K8AK-AS
	Minimum Operating Temperature -20°C
	Current Range 10 → 100 mA, 2 → 20 mA, 50 → 500mA
	Maximum Operating Temperature +60°C
	Height 90mm
	Dimensions 100 x 22.5 x 90mm
	Standards Met CE
	Terminal Type Screw
	Length 100mm
	Operating Temperature Range +60°C
	Width 22.5mm

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.

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.

Standards

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

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