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K8AK-TH

7

Functions

SV Protection

This function protects (i.e., prohibits changing) the alarm setting, operating method, and modes for the Temperature Monitoring Relay that have 
been set on the rotary switches and DIP switch.
The protection function is activated by pressing the output latch reset button on the Temperature Monitoring Relay for at least 5 s or by turning ON 
the input to the external input terminal for at least 5 s. 
The power indicator will flash when the protection is activated. 
The protection function can be released by pressing the output latch reset button on the Temperature Monitoring Relay for at least 5 s or by turning 
ON the input to the external input terminal for at least 5 s. 
The power indicator will light while the protection is being reset.

Dimensions

(Unit: mm)

Note:

All units are in millimeters unless otherwise indicated.

Temperature Monitoring Relay

Track Mounting Products (Sold Separately)

22.5

90

100

5

K8AK-TH

4.5

15

25

25

10

10

1000 (500) (See note.)

25

25

15 (5) 
(See note.)

35

±

0.3

7.3

±

0.15

27

±

0.15

1

DIN Tracks

PFP-100N
PFP-50N

* Dimensions in parentheses are for the PFP-50N. 

Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: [email protected]

Summary of Contents for K8AK-TH

Page 1: ...or the setting ranges Note When ordering designate the power supply specification Different Relay models are used for 100 to 240 VAC and 24 VAC VDC Refer to Safety Precautions on page 8 For the most r...

Page 2: ...30 VDC Maximum switching capacity 1 250 VA 150 W 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...

Page 3: ...setting increment 10 C Input K J T E B R S PLII Setting temperature range 3 200 3 100 3 000 2 900 2 800 2 700 2 600 2 500 2 400 2 300 2 200 2 100 2 000 1 900 1 800 1 700 1 600 1 500 1 400 1 300 1 200...

Page 4: ...ther error Power supply Relay output latched 11 to 14 LATCH_RST or external inputs 4 to 5 Temperature alarm or other error Power supply PWR indicator SV Protect Mode Power supply ALM indicator Tempera...

Page 5: ...e than one million times If you press and hold the LATCH_RST button for 5 seconds or longer the SV Protect Mode will go into effect When SV Protect Mode is enabled the PWR indicator flashes To disable...

Page 6: ...ult All OFF SW8 Not used R_SW3 K8AK TH12S R_SW2 R_SW1 SW 1 2 3 4 K 5 6 7 J T E B R S PLII Input type ON OFF 100 C F units 0 to 9 10 C F units 0 to 9 Upper limit alarm Lower limit alarm With latching W...

Page 7: ...ated The protection function can be released by pressing the output latch reset button on the Temperature Monitoring Relay for at least 5 s or by turning ON the input to the external input terminal fo...

Page 8: ...he side panel take effect when the power is turned ON If the Temperature Monitoring Relay fails monitoring and alarm outputs may fail to operate This may result in physical damage to the facilities eq...

Page 9: ...ring Relay to stabilize Take this time into account when you design the control panel 14 Allow at least 30 minutes for the product to warm up During this time the temperature measurements will be inco...

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