FN5-12D indoor LBS 12KV MV air load break switch|Indoor LBS|MV Load Break Switch (LBS)|Products|JGGY Electrical.com

FN5-12D indoor LBS 12KV MV air load break switch

FN5-12D type indoor high voltage load switch with earthing switch electrical appliance, Applicable to AC 50Hz, 12kv power distribution network, used for breaking load current and closing short circuit current.

Category: Switchgear & High Voltage Products

Brand: JGGY Electric

Model: FN5-12D

Power: 12KV/ 630A

FOB Port: Ningbo/Shanghai

Terms of Pyament: Western Union,T/T,Paypal

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Product Description

FN5-12 type indoor high voltage load switch and fuse combination electrical appliance, Applicable to AC 50Hz, 12kv power distribution network, used for breaking load current and closing short circuit current. Load switch with fuse cut off the short-circuit current, for protection switching purposes.

Environmental requirements

1. The altitude does not exceed 1000m;

2. Ambient air temperature: upper limit + 40°C, lower limit -25°C (electric mechanism not lower than -5°C);

3. Relative humidity: daily average value not more than 95%, monthly average value not more than 90% (+25℃);

4. The surrounding air should not be obviously polluted by corrosive or flammable gas, water vapor, etc.;

5. No frequent severe vibration.

Note: If it exceeds the requirements of the above normal use environmental conditions, it is necessary to negotiate with the manufacturer.

Name	Unit	Date
Rated Voltage	kV	12
Rated Frequency	Hz	50
Rated Current	A	400	630
Rated Short-Time Withstand Current(Thermally Stable Current)	kV	12.5(4s)	20(2s)
Rated Peak Withstand Current (Dynamic Steady Current)	kA	31.5	50
Rated Closed- Loop Breaking Current	A	400	630
Rated Active Load Breaking Current	A	400	630
5% Rated Active Load Breaking Current	A	20	31.5
Rated Cable Charging Breaking Current	A	10
Rated Breaking No-Load Transformer Capacity		1250
Rated Short Circuit Closing Current	kA	31.5	50
Load Current Breaking Times	Times	20(100% Load) 35(60% Load) 75(30% Load) 80(5% Load)
1 min Power Frequency Withstand Voltage(Effective Value)	kV	42 Ground and Phase
Power Frequency Withstand Voltage (Between Isolation Gaps)	kV	48
Lightning Impulse Withstand Voltage(Peak)	kV	Ground and Phase 75, Isolation Fracture 85
Opening and Closing Operation Torque (Force)	N.m(N)	90(180)	100(200)