KT Temperature Controllers Part Numbers

Part numbers for KT appear below. Please use the tables below to build/calculate an appropriate model number.

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KT2 Series Controllers

Base model	Power supply	Sensor input	Control output	Alarm output	Heating/ cooling control	Heater burnout alarm	Comm. function	Description
AKT2								48×24×98.5mm
	1							100 to 240V AC	Must be specified
	2							24V AC/DC	Must be specified
		1						Multi-input (Thermocouple, RTD, DC current and DC voltage)
			1					Relay contact output 1a 3A 250V AC	Must be specified
			2					Non-contact voltage output (for SSR drive)
			3					Current output
				2	0	0	Blank	When both heating/cooling and communication functions are not added: Relay contact output (alarm 1): Can be used Open collector output (alarm 2): Can be used
				1	1	0	Blank	When only heating/cooling function is added: Relay contact output (alarm 1): Cannot be used Open collector output (alarm 2): Can be used
				1	0	0	1	When only communication function is added: Relay contact output (alarm 1): Can be used Open collector output (alarm 2): Cannot be used
				0	1	0	1	When both heating/cooling and communication functions are added: Relay contact output (alarm 1): Cannot be used Open collector output (alarm 2): Cannot be used

Notes:
* When heating/cooling is selected, alarm output 1 cannot be used.
* When the communication function is selected, alarm output 2 cannot be used.

Example Part No.

(Ex) Part No. when the optional functions (of Heating/Cooling control: relay contact output + Communications function) is added on to the basic model are as follows;

Part No.: AKT21110101

Option

Product name	Part No.
Shunt resistor (for Current input)	AKT4810
Terminal cover	AKT2801

Note: When Current input is specified, a shunt resistor (sold separately) is required.

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KT4 Series Controllers

Base model	Power supply	Sensor input	Control output	Alarm output	Heating/ cooling control	Heater burnout alarm	Comm. function	Description
AKT4								48×48×95mm
	1							100 to 240V AC
	2							24V AC/DC
		1						Multi-input (Thermocouple, RTD, DC Voltage and DC Current)
			1					Relay contact output 1a 3A 250V AC
			2					Non-contact voltage output (for SSR drive)
			3					Current output
				1				Relay contact output 1a (Alarm output 1)
				2				Relay contact output 1a (Alarm output 2)
					0			Not available
					4			SSR output 0.3A 250V AC (Heating/Cooling control not supported when 2 alarm output points are selected)
						0		Not available
						1		5A (Heater burn-out alarm not supported when control output is current output type/not supported when heating and cooling control is selected)
						2		10A (Heater burn-out alarm not supported when control output is current output type/not supported when heating and cooling control is selected)
						3		20A (Heater burn-out alarm not supported when control output is current output type/not supported when heating and cooling control is selected)
						4		50A (Heater burn-out alarm not supported when control output is current output type/not supported when heating and cooling control is selected)
								Not available
							1	Available

Notes:
* CT1 or CT2 for current detection is provided as an accessory when heater burn-out alarm function is added.
* Event output will be shared if you choose alarm output 2 and the heater burnout alarm.

Example Part No.

(Ex) Part No. when the optional functions (of Heating/Cooling control: SSR output + Communications function) is added on to the basic model are as follows;

Part No.: AKT41111401

Options

Product name	Part No.
Shunt resistor (for Current input)	AKT4810
Terminal cover	AKT4801

Note: When Current input is specified, a shunt resistor (sold separately) is required.

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KT8 Series Controllers

Base model	Power supply	Sensor input	Control output	Alarm output	Heating/ cooling control	Heater burnout alarm	Comm. function	Description
AKT8								48×96×98.5mm
	1							100 to 240V AC
	2							24V AC/DC
		1						Multi-input (Thermocouple, RTD, DC Voltage and DC Current)
			1					Relay contact output 1a1b 3A 250V AC
			2					Non-contact voltage output (for SSR drive)
			3					Current output
				1				Relay contact output 1a (Alarm output 1)
				2				Relay contact output 1a (Alarm output 2)
					0			Not available
					1			Relay contact output 1a
					2			Non-contact voltage output (for SSR drive)
					3			Current output
						0		Not available
						1		5A (Heater burn-out alarm not supported when control output is current output type/not supported when heating and cooling control is selected)
						2		10A (Heater burn-out alarm not supported when control output is current output type/not supported when heating and cooling control is selected)
						3		20A (Heater burn-out alarm not supported when control output is current output type/not supported when heating and cooling control is selected)
						4		50A (Heater burn-out alarm not supported when control output is current output type/not supported when heating and cooling control is selected)
								Not available
							1	Available

Notes:
* CT1 or CT2 for current detection is provided as an accessory when heater burn-out alarm function is added.
* If a communication function is added, second main setup is not possible.

Example Part No.

(Ex)Part No. when the optional functions (of Alarm output; Alarm output 2 + Heating/Cooling control: Current output) are added on to the basic model are as follows;

Part No.: AKT8111230

Options

Product name	Part No.
Shunt resistor (for Current input)	AKT4810
Terminal cover	AKT8801

Note: When Current input is specified, a shunt resistor (sold separately) is required.

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KT9 Series Controllers

Base model	Power supply	Sensor input	Control output	Alarm output	Heating/ cooling control	Heater burnout alarm	Comm. function	Description
AKT9								96×96×98.5mm
	1							100 to 240V AC
	2							24V AC/DC
		1						Multi-input (Thermocouple, RTD, DC Voltage and DC Current)
			1					Relay contact output 1a1b 3A 250V AC
			2					Non-contact voltage output (for SSR drive)
			3					Current output
				1				Relay contact output 1a (Alarm output 1)
				2				Relay contact output 1a (Alarm output 2)
					0			Not available
					1			Relay contact output 1a
					2			Non-contact voltage output (for SSR drive)
					3			Current output
						0		Not available
						1		5A (Heater burn-out alarm not supported when control output is current output type/not supported when heating and cooling control is selected)
						2		10A (Heater burn-out alarm not supported when control output is current output type/not supported when heating and cooling control is selected)
						3		20A (Heater burn-out alarm not supported when control output is current output type/not supported when heating and cooling control is selected)
						4		50A (Heater burn-out alarm not supported when control output is current output type/not supported when heating and cooling control is selected)
								Not available
							1	Available

Notes:
* CT1 or CT2 for current detection is provided as an accessory when heater burn-out alarm function is added.
* If a communication function is added, second main setup is not possible.

Example Part No.

(Ex) Part No. when the optional functions (of Alarm output; Alarm output 2 + Heating/Cooling control: Non-contact voltage output) are added on to the basic model are as follows;

Part No.: AKT9111220

Options

Product name	Part No.
Shunt resistor (for Current input)	AKT4810
Terminal cover	AKT9801

Note: When Current input is specified, a shunt resistor (sold separately) is required.

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KT7 Series Controllers

Base model	Power supply	Sensor input	Control output	Alarm output	Heating/ cooling control	Heater burnout alarm	Comm. function	Description
AKT7								22.5×75×100mm
	1							100 to 240V AC
	2							24V AC/DC
		1						Multi-input (Thermocouple, RTD, DC Voltage and DC Current)
			1					Relay contact output 1a 3A 250V AC
			2					Non-contact voltage output (for SSR drive)
			3					Current output
				1				Open collector output (Alarm output 1)
					0			Not available (without Heating/Cooling function)
						0		Not available
						1		5A (not available for the Current output type) Open collector output
						2		10A (not available for the Current output type) Open collector output
						3		20A (not available for the Current output type) Open collector output
						4		50A (not available for the Current output type) Open collector output
								Not available
							8	Available

Notes:
* CT1 or CT2 for current detection is provided as an accessory when heater burn-out alarm function is added.

Example Part No.

(Ex) Part No. when the optional function (of Heater burnout alarm: 10A) is added on to the base model are as follows;

Part No.: AKT7111102

Options

Product name	Part No.
Shunt resistor (for Current input)	AKT4811

Note: When Current input is specified, a shunt resistor (sold separately) is required.

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