K8DT-AS

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Однофазное реле контроля тока

Обнаружение неисправностей в электродвигателях и другом оборудовании по изменению тока. Работа в режиме обнаружения повышенного или пониженного тока.

Одно реле для контроля переменных и постоянных токов
Совместимость с серийно выпускаемыми трансформаторами тока (вторичный ток: 0…1 А или 0…5 А)
Настройка уровня срабатывания, гистерезиса, времени блокировки при пуске и времени срабатывания
Ширина 17,5 мм — экономия пространства в шкафу управления
Технология Push-in plus упрощает подключение проводов
Соответствие UL упрощает ввоз в Северную Америку
Отверстия на два провода в каждой клемме для удобного подключения других устройств
Добавлены модели с высоконадежными транзисторными выходами
Соответствие Директиве RoHS

Ordering information

Setting range	Power supply voltage	Output	Order code
2 to 20 mA AC/DC, 10 to 100 mA AC/DC, 50 to 500 mA AC/DC	24 VAC/DC	Relay: SPDT contact output	K8DT-AS1CD
	24 VAC/DC	Transistor: Open collector	K8DT-AS1TD
	100 to 240 VAC	Relay: SPDT contact output	K8DT-AS1CA
	100 to 240 VAC	Transistor: Open collector	K8DT-AS1TA
0.1 to 1 A AC/DC, 0.5 to 5 A AC/DC	24 VAC/DC	Relay: SPDT contact output	K8DT-AS2CD
	24 VAC/DC	Transistor: Open collector	K8DT-AS2TD
	100 to 240 VAC	Relay: SPDT contact output	K8DT-AS2CA
	100 to 240 VAC	Transistor: Open collector	K8DT-AS2TA
10 to 100 A AC 1 , 20 to 200 A AC 1	24 VAC/DC	Relay: SPDT contact output	K8DT-AS3CD
	24 VAC/DC	Transistor: Open collector	K8DT-AS3TD
	100 to 240 VAC	Relay: SPDT contact output	K8DT-AS3CA
	100 to 240 VAC	Transistor: Open collector	K8DT-AS3TA

Accessories

Omron CT

Appearance	Input range	Applicable relay	Order code
	10 to 100 A AC, 20 to 200 A AC	K8AK-AS3	K8AC-CT200L

Appearance

Input range

Applicable relay

Order code

10 to 100 A AC, 20 to 200 A AC

K8AK-AS3

K8AC-CT200L

Commercially Available CTs

Appearance	CT current on secondary side	Applicable Relay
	0 to 1 A AC, 0 to 5 A AC	K8DT-AS2

Appearance

CT current on secondary side

Applicable Relay

0 to 1 A AC,

0 to 5 A AC

K8DT-AS2

Front Cover (Order separately)

Appearance	Order code
	Y92A-D1A

Specifications

Item		K8DT-AS1	K8DT-AS2	K8DT-AS3
Power supply voltage	K8DT-AS__D	24 VAC 50/60 Hz, 24 VDC
Power supply voltage	K8DT-AS__A	100 to 240 VAC 50/60 Hz
Power consumption		24 VAC/DC: 1.8 VA/1 W max. 100 to 240 VAC: 2.5 VA max.
Operate (SV)	Operating value setting range	10% to 100% of the maximum value of the setting range 2 to 20 mA AC/DC 10 to 100 mA AC/DC 50 to 500 mA AC/DC	10% to 100% of the maximum value of the setting range 0.1 to 1 A AC/DC (Compatible with commercially available CTs.) 0.5 to 5 A AC/DC (Compatible with commercially available CTs.)	10% to 100% of the maximum value of the setting range When used with the OMRON CT (K8AC-CT200L). 10 to 100 A AC 20 to 200 A AC
Operate (SV)	Operating value	100% operation at set value
Reset (HYS)	Hysteresis	5% to 50% of operating value
Reset (HYS)	Resetting method	Manual reset/automatic reset (switchable)
Operating time setting range (T)		0.1 to 30 s
Startup lock time setting range (LOCK)2		0 to 30 s (The startup lock timer starts when the input has reached approximately 30% or more of the set value.)
Indicators		Power (PWR): Green, Output (OUT): Yellow, Alarm outputs (ALM): Red
Output form		Relay: SPDT contact output Transistor: Open collector Switchable between normally open and normally closed with a DIP switch setting.
Output relays ratings	Resistive load	250 VAC 5 A or 30 VDC 5 A
	Inductive load	250 VAC 1 A, 48 VDC 0.2 A
	Minimum load	5 VDC, 10 mA (reference values)
	Mechanical life	10 million operations min.
	Electrical life	5 A at 250 VAC or 30 VDC: 50,000 operations 3 A at 250 VAC or 30 VDC:100,000 operation
Transistor output ratings	Contact form	SPST-NO (Open collector)
	Rated voltage	24 VDC (maximum voltage: 26.4 VDC)
	Maximum current	50 mA DC
Ambient operating temperature		-20 to 60°C (with no condensation or icing)
Storage temperature		-25 to 65°C (with no condensation or icing)
Case material		PC, UL 94 V-0
Weight		Approx. 100 g
Size in mm (H × W × D)		90×17.5×90
Operating voltage range		85% to 110% of power supply voltage
Rated power supply frequency		50/60 Hz ±5 Hz
Input frequency range		DC input or AC input (45 to 65 Hz)		AC input (45 to 65 Hz)
Overload capacity3		Continuous input at 120% of maximum input, 1 s at 150%		Continuous input at 120%, 30 s at 200%, and 1 s at 600% with an OMRON CT (K8AC-CT200L)
Repeat error	Operating value	±0.5% full scale (at 25°C and 65% humidity, rated power supply voltage)
Repeat error	Operating time	±50 ms (at 25°C and 65% humidity, rated power supply voltage)
Applicable standards	Conforming standards	EN 60947-5-1 Installation environment (pollution level 2, Overvoltage category III)
	EMC	EN 60947-5-1
	Safety standards	UL 60947-5-1 (Listing), Korean Radio Waves Act (Act 10564), CCC (GB14048.5)
Degree of protection		Terminals: IP20