THT8 Series Time Delay Relay Manufacturer

THT8 Series Time Delay Relay

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Single-function time relay, on delay/off delay

Features

The single-function relay utilizes a potentiometer to set time for accurate performance
Delay function is optional
Time is divided into 10 scales within a wide range of 0.1s to 10 days
Relay status is indicated by built-in LED
1-module, DIN-rail mounted

Applications

Technical parameters

Technical parameters	THT8-A1/B1	THT8-A2/B2
Function	delay on	delay off
Supply terminals	A1-A2
Voltage range	AC/DC 12-240V (50-60Hz)
Load	AC 0.7-3VA/DC 0.5-1.7W
Voltage range	AC 230V (50-60Hz)
Power input	AC max.12VA/1.3W	AC max.12VA/1.9W
Supply voltage tolerance	-15%; +10%
Supply indication	green LED
Time ranges	0.1s-10days, on, off
Time setting	potentiometer
Time deviation	5%-mechanical setting
Repeat accuracy	0.2%-set value stability
Temperature coefficient	0.05%℃, at=20℃ (0.05%℉, at=68℉)
Output	1*SPDT	2*SPDT
Current rating	16A/AC1
Switching voltage	250VAC/24VDC
Min. breaking capacity DC	500mW
Output indication	red LED
Mechanical life	1*107
Electrical life (AC1)	1*106
Reset time	max. 200ms
Operating temperature	-20℃ to +55℃ (-4℉ to 13℉)
Storage temperature	-35℃ to +75℃ (-22℉ to 158℉)
Mounting/DIN rail	DIN rail EN/IEC60715
Protection degree	IP40 for front panel I/I P20 terminals
Operating position	any
Overvoltage category	III
Pollution degree	2
Max. cable size (mm²)	solid wire max. 12.5or 21.5/with sleeve max.1*2.5(AWG 12)
Dimensions	901864 mm
Weight	1 X SPDT: W240-60g, A230-59g
	2 X SPDT: W240-81g, A230-79g
Standards	IEC/EN61812-1, IEC/EN61010-1

Functions diagram

Wiring diagram

Time range

Dimensions (mm)