CT19BN(W) type spring operated mechanismDetailed product description：

CT19BN (W) type spring operated mechanism
Overview
The CT19BN (W) type spring operating mechanism is a strengthened, improved, and perfected version of the original CT19 type spring operating mechanism for 35KV vacuum circuit breakers. The T19BW model can be used to operate various outdoor column mounted 35KV (ZW7) and other vacuum circuit breakers with equivalent closing power, while the CT19BN can operate indoor 35KV (ZN23) vacuum circuit breakers and other vacuum circuit breakers with equivalent closing power. Its performance meets the requirements of GB1984 "AC High Voltage Circuit Breaker" and the "Technical Conditions" of this product, and all indicators meet or exceed the "IEC" standards.
There are two energy storage methods for the closing spring of the mechanism: electric motor energy storage and manual energy storage; There are three types of opening operations: opening electromagnet, overcurrent trip electromagnet, and manual button operation; There are two types of closing operations: closing electromagnet and manual button operation.

Main technical parameters:

The specifications and matching components of the institution are shown in the following table:

specification	Weight (kg)	Volume height X width X depth (mm)	Electric motor input power (w)	Closing spring (mm)	Match the breaking current of the vacuum circuit breaker (kA)
CT19BN	forty	440X360X160	two hundred and fifty	φ10	twenty
CT19BW	forty-five	550X360X160	two hundred and fifty	φ10+φ6	twenty

2. The closing and opening electromagnet adopts a spiral tube electromagnet, and its technical parameters are shown in the following table:

Rated working voltage (V)	~110	~220	~380	-110 combined	-110 points	-220 combined	-220 points
Rated working current (A)	four point three	three point eight		two point three	four	1.16	two
Rated electrical power (W)	<437	<836		<253	<440	<255	<440
Coil resistance value at 20 ℃ (Ω)	8.5±0.5	19.2±3		47+2.8	27.5±1.7	190±11	106±6
Normal closing operating voltage range	85%~110 rated working voltage
Normal voltage range for circuit breaker operation	65%~120% of the rated working voltage should be reliably tripped, and tripping is not allowed when the rated working voltage is less than 30%

Appearance and installation dimensions

CT19BN (W) type spring operated mechanism