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24kV Primary and Secondary Deep Integration Intelligent Pole-Mounted Switch
ZW32-24/T630-20
- Product Description
-
- Deep integration of primary and secondary intelligent pole-mounted circuit breakers, sealed pole with built-in current sensor, dual voltage sensors on input and output sides, zero-sequence current and voltage sensors, built-in capacitive voltage divider energy storage electronic PT;
- Circuit breaker inherent trip time ≤20ms, spring operating mechanism achieves fast trip
- Circuit breaker whole machine IP67, completely solves jamming issues caused by external environment to the mechanism;
- Pole shell made of silicone rubber material, anti-aging, high hydrophobicity, impact resistant
Serial Number
Name
Unit
Parameter
1
Arc Extinguishing Chamber Type
-
Vacuum
2
Insulating Medium
-
Solid Insulation
3
Rated Voltage
kV
24
4
Rated Frequency
Hz
50
5
Rated Current
A
630
6
Rated Short-Time Withstand Current
kA
20
7
Rated Short-Circuit Breaking Current
kA
20
8
Rated Peak Withstand Current
kA
50
9
Rated Short-Circuit Duration
s
4
10
Rated Short-Circuit Breaking Current Breaking Times
Times
≥30
11
Rated Operating Sequence (Rated value should not be reduced for rated operating cycles)
-
O-0.3s-CO-180s-CO
12
Rated Lightning Impulse Withstand Voltage (1.2/50μs, peak)
Between Phases and Phase to Ground
kV
125
Contact Gap
kV
145
13
Rated Power Frequency Short-Time Withstand Voltage (1min)
Between Phases and Phase to Ground
kV
65
Contact Gap
kV
79
14
Whole Machine Partial Discharge (Including Current and Voltage Sensors and Power Supply Module)
Test Voltage
kV
17
Partial Discharge
pC
≤5
15
Main Circuit Resistance
μΩ
≤80
16
Mechanical Stability
Times
≥20000
17
Operating Mechanism Type
-
Spring
18
Operating Mode
-
Electric, with manual trip and close operation functions
19
Operating Voltage
V
DC24
20
Switch Closing Time
ms
30-60
21
Switch Opening Time
ms
20-45
22
Trip and Close Asynchrony
ms
≤2
23
Current Sensor Sealed in Pole
Rated Current Ratio
Phase Sequence
600A/1V
Zero Sequence
20A/0.2V
Accuracy Class
Phase Sequence
Measurement 0.5s Class, Protection 5P10
Zero Sequence
Class 1, Protection 10P10
Temperature Range
℃
-40℃～70℃
Implementation Method
-
Low Power Electromagnetic Type
24
Voltage Sensor Sealed in Pole
Rated Voltage Ratio
Phase Sequence
(24kV/√3)/(3.25V/√3)
Zero Sequence
-
Accuracy Class
Phase Sequence
Class 0.5
Zero Sequence
-
Temperature Range
℃
-40℃～70℃
Implementation Method
-
Capacitive Voltage Division
Sampling Method
-
Equipped with dual-side voltage acquisition on power supply and load sides
25
Capacitive Power Supply Sealed in Pole
Power Supply Method
-
Built-in Capacitive Power Supply
Installation Method
-
Capacitive power supply integrated and cast into insulating pole
Single Phase Rated Output Power
W
Customized according to customer requirements
26
Remote and Local Lockout Function
-
Optional
27
Recloser Closing and Opening Function
-
Optional
28
Manual Closing Lockout
-
None
29
Switch Enclosure Protection Level
-
Not less than IP67
30
Switch Service Life
Years
20
- Deep integration of primary and secondary intelligent pole-mounted circuit breakers, sealed pole with built-in current sensor, dual voltage sensors on input and output sides, zero-sequence current and voltage sensors, built-in capacitive voltage divider energy storage electronic PT;
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