Omron Monitoring Relay, 1 Phase, SPST, DIN Rail, 2mA to 500mA, 20.4 → 26.4 V dc, 26.4V ac

RS 제품 번호:: 111-3090
제조사 부품 번호:: K8DT-AS1TD
제조업체:: Omron

Omron Monitoring Relay, 1 Phase, SPST, DIN Rail, 2mA to 500mA, 20.4 → 26.4 V dc, 26.4V ac

Subtotal (1 unit)*

₩262,460.00

일시적 품절

2026년 10월 05일 부터 배송

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* 참고 가격: 실제 구매가격과 다를 수 있습니다

RS 제품 번호:: 111-3090
제조사 부품 번호:: K8DT-AS1TD
제조업체:: Omron

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모두 선택	제품 정보	값
	브랜드	Omron
	Product Type	Monitoring Relay
	Electrical Phase	1
	Contact Configuration	SPST
	Mount Type	DIN Rail
	Minimum Current Sensed	2mA
	Power Consumption	1.8VA
	Maximum Current Sensed	500mA
	Current Sensitivity	Overcurrent, Undercurrent
	Terminal Type	Push-in
	Time Delay	250 ms
	IP Rating	IP20
	Supply DC Voltage	20.4 → 26.4 V dc
	Relay Contact Current	2, 500mA
	Supply AC Voltage	26.4V ac
	Minimum Operating Temperature	-20°C
	Maximum Operating Temperature	60°C
	Height	90mm
	Series	K8DT-AS
	Standards/Approvals	EN 60947-5-1, RoHS, UL 60947-5-1
	Width	17.5mm
	Length	90mm

	모두 선택
	브랜드 Omron
	Product Type Monitoring Relay
	Electrical Phase 1
	Contact Configuration SPST
	Mount Type DIN Rail
	Minimum Current Sensed 2mA
	Power Consumption 1.8VA
	Maximum Current Sensed 500mA
	Current Sensitivity Overcurrent, Undercurrent
	Terminal Type Push-in
	Time Delay 250 ms
	IP Rating IP20
	Supply DC Voltage 20.4 → 26.4 V dc
	Relay Contact Current 2, 500mA
	Supply AC Voltage 26.4V ac
	Minimum Operating Temperature -20°C
	Maximum Operating Temperature 60°C
	Height 90mm
	Series K8DT-AS
	Standards/Approvals EN 60947-5-1, RoHS, UL 60947-5-1
	Width 17.5mm
	Length 90mm

English Datasheet

COO (Country of Origin):: CN

Omron K8DT-AS Series Monitoring Relay, 20.4-26.4V Supply Voltage, 250ms Time Delay - K8DT-AS1TD

This monitoring relay provides compact, DIN-rail-mounted detection and signalling of current deviations in single-phase systems. It operates from low-voltage AC or DC supplies and responds to both excessive and insufficient current to protect equipment and trigger control logic in automation and electrical installations.

Features and Benefits:

• Detects overcurrent and undercurrent to prevent system faults
• Switches SPST contacts for simple on/off control integration
• Accepts 20.4 to 26.4V AC/DC supply for flexible power options
• Senses currents from 2 mA up to 500 mA for fine resolution
• 250 MS time delay to avoid nuisance trips from transients
• Push-in terminals speed installation and wiring changes

Applications

• Suitable for motor load monitoring to identify stalled conditions
• Ideal for conveyor systems requiring phase-limited current supervision
• Used with control panels for process automation alarm signalling
• Can be used for monitoring current draw on single-phase pumps
• Suitable for retrofit protection on small machinery in workshops

What Terminal arrangement is provided for quick wiring?

It uses push-in type connections that allow tool-free conductor insertion and secure contact retention for efficient assembly.

What environmental limits should be observed during installation?

The unit is designed to operate between -20°C and 60°C and has IP20 ingress protection, so it requires an enclosed control cabinet in dusty or humid locations.

How does the relay indicate or act when current thresholds are crossed?

A single-pole single-throw contact changes state when measured current falls below or exceeds set limits, enabling external alarms or PLC inputs to respond.

What mounting method is required for panel integration?

The device clips onto a standard DIN rail for straightforward mounting within electrical enclosures.

What electrical phase and power consumption characteristics apply?

It monitors single-phase systems and consumes 1.8 VA during operation.

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