CT□(3AV3) Spring operated mechanismDetailed product description：

The CT □ (3AV3) spring operated mechanism can be used to operate ZN □ 85-40.5 (3AV3) indoor high-voltage vacuum circuit breakers, and its performance meets GB1984-89 "AC High Voltage Circuit Breakers" and the "Technical Requirements" of this product. Its main indicators meet or exceed the "IEC" standards. This institution is an indoor type, with two types of energy storage methods: electric energy storage and manual energy storage. The opening operation includes an opening electromagnet (which can be equipped with an overcurrent release) and three types of manual button operation.
There are two types of closing operations: closing electromagnet and manual operation. The surface of the mechanism is treated with anodic electrophoretic paint, which has extremely high anti-corrosion performance.

Main technical parameters of CT □ (3AV3) spring operating mechanism

1. The technical parameters of the energy storage motor are as follows: (see table below)

model	rated voltage		Rated output power	Normal operating voltage
ZYG-66	-110V	-220V	≤230W	85% to 110% rated voltage

2. The technical parameters of the opening and closing electromagnet are as follows:

Rated working voltage	-110	－220
Rated working current	one point zero five	zero point nine six
rated electric power	<115	<210
Coil resistance value at 20 ℃ (Ω)	105±3	230±5
Normal operating voltage range	65% to 120% of the rated operating voltage should be reliably tripped Do not disconnect when the rated operating voltage is less than 30%

3. The output angle of the institution is about 51.5 degrees

Installation location diagram of 3VA3 dedicated mechanism:


Installation dimension diagram of CT □ (3AV3) spring operating mechanism: