CT17-40.5 type spring operated mechanismDetailed product description：

The CT17-40.5 spring operated mechanism can be used to operate 40.5kV series vacuum circuit breakers and SF6 with equivalent closing power. Use circuit breakers, low oil circuit breakers, etc. The product performance meets the requirements of GB1984-89 "AC High Voltage Circuit Breaker" standard and product technical specifications.

The CT17-40.5 spring operated mechanism has both electric energy storage and manual energy storage. There are two types of closing operations: closing electromagnet and manual button operation. There are three types of opening operations: opening electromagnet, overcurrent trip electromagnet, and manual button operation. It can also be opened and closed slowly. The output shaft is located at the lower back, and the mechanism can be installed vertically or inverted. It can also be installed in any direction. Providing various parameters for different circuit breakers makes connection and coordination very convenient.

This mechanism is based on the CT17 spring operated mechanism, widely absorbing the advantages of similar advanced products at home and abroad, and combining with the actual situation to overcome the shortcomings of current similar mechanisms, designed with the latest concept. The mechanism has advanced principles and high energy storage efficiency. Low noise and smooth operation; Compact structure, high closing power, small size, light weight, and long service life.

Main technical parameters:

serial number	project		unit	Technical data
one	Closing power			Used for 40.5KV/20KV, 25KV, 31.5KV, 40KV
			J	350~500
two	store can electricity machine	model		Permanent magnet DC motors ZYJ220-66, ZYJ110-66
		Rated working voltage/current		1.6 3.2
		Rated output power	W	one hundred and sixty
		Energy storage time	S	≤15
		Working voltage range		85-110% rated voltage
three	combine, synthesize part gate electricity magnet iron	Rated working voltage	V	～110V　～220V　～380V　-220V　-110V
		Rated working current (short-term)	A	5.6 4.5 2.1 2.3 4.5
		Coil resistance at 20 ℃	Ω	60 ± 0.3 23 ± 1.5 80 ± 4 96 ± 5.4 23 ± 1.35
		Working voltage range		Closing electromagnet 85-110%; Opening electromagnet 65-120%, less than 30% cannot be opened for 3 consecutive times
four	auxiliary help open close	model		F11-12III/L
		Frequently open touch points	Correct	six
		Number of normally closed contacts	Correct	six
		Rated breaking and closing current	A	AC12.5A； DC220V 4A，DC110V 8A
five	Mechanism output shaft working angle		degree	40~50
six	Number of institutional lifespan cycles		time	ten thousand
seven	Closing time of circuit breaker		S	0.030～0.060
	Opening time of circuit breaker		S	0.015～0.050
eight	One reclosing without current gap time		S	zero point three
nine	Secondary circuit working frequency withstand voltage for 1 minute		V	two thousand
ten	Institution weight		KG	thirty-nine
eleven	Rated current of overcurrent trip electromagnet		A	1.3, 5, 7.5, 10

CT17-40.5 type spring operated mechanism