
Circuit Breaker Spring Mechanism CT252
Overview
1, product model and name: CT252 spring operating mechanism
2, the main use of products and performance
The agency can provide 252kV high-voltage SF6 circuit breakers and GIS. Its performance conforms to the requirements of GB1984 AC High Voltage Circuit Breaker, IEC56 High Voltage AC Circuit Breaker and the Technical Conditions of this product.
This institution has two modes of electric energy storage and manual energy storage. There are two kinds of remote control, proximity electric operation and manual operation.
3, the agency with a special tool for slow, slow operation
Use environmental conditions
Ambient temperature: -30°C~+40°C;
Relative humidity: The daily average is no more than 95%, and the monthly average is no more than 90%;
Pollution level: Class III; places without frequent violent vibration;
Use location: outdoor, indoor can be.
The main technical parameters
1. Institutional function parameters
a. Closing work: 3000-4000N·m
b. Switching work: 1800-2500N·m
c. Mechanism output angle: 45°
d. Shock absorber stroke: 100mm
e. Mechanical life: 10000 times
f. Mechanism weight: 280kg
2. The energy storage motor is an AC/DC dual-purpose motor. The main technical parameters are shown in the table.
motor model |
HDZ-26005A |
Rated output power (W) |
600 |
Rated voltage (V) |
DC110/220 AC220 |
Rated current (A) |
10/5 |
Normal operating voltage range |
85%-110%Ue |
Rated operating voltage energy storage time (S) |
<15 |
Motor speed (r.p.m) |
530 |
3、 closing electromagnet technical parameters see table
Rated voltage(V) |
-220 |
-110 |
Rated current(A) |
2 |
3.3 |
rated power(W) |
440 |
363 |
Coil resistance at 20°C(Ω) |
110±5 |
33±1.6 |
Operating voltage range |
85%-110%Ue |
4. The technical parameters of the sub-opening electromagnet are shown in the table
Rated voltage(V) |
-220 |
-110 |
Rated current(A) |
2 |
5.8 |
rated power(W) |
440 |
636 |
Coil resistance at 20°C(Ω) |
110±5 |
19±1.6 |
Operating voltage range |
65%-120% Ue, less than 30% Ue does not score for three consecutive operations |
Ordering instructions
1, when ordering, please write in detail the product model, name, quantity and product basic parameters, such as split control loop voltage, motor energy storage voltage.
2. If you need to order special tools, spare parts and wearing parts, please specify in the economic contract.
3, if there are other special requirements, please consult with the manufacturer for production.
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The company mainly produces high-voltage power transmission and transformation supporting equipment, intelligent complete switchgear, high-voltage GIS supporting products, etc., which are mainly used in high-voltage and UHV substation projects of the State Grid, Southern Power Grid, railway, communications, aviation, etc., all over the country.
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