12kv Indoor High Voltage Lbs-Fuse Combination Load Break Switch

• Type: High-voltage
• Structure: Three-column Disconnector
• Installation: Indoor High-voltage
• Operation: Electric
• Number of Poles: Three Pole
• Series: Three
• Model NO.: VACFR12-12D/T125-31.5
• Structure of Operating: Electric
• Certification: CE, ISO9001
• Brand: Vacem
• Rated Current: 125A
• Rated Thermal Stability Current: 20(4s)Ka
• Rated Dynamic Stability Current: 50ka
• Rated Shift Current: 1.2ka
• Rated Cable Charged Current: 10A
• Transport Package: Carton
• Specification: VACFR12-12D/T125-31.5
• Trademark: VACEM
• Origin: Wenzhou, China

Product Description

General description

Introducing the 12kv Indoor High Voltage Lbs-Fuse Combination Load Break Switch, the ultimate solution for all your electrical needs! This powerful and versatile product is designed to provide seamless operation and maximum efficiency in indoor settings. 
With its cutting-edge technology and innovative design, this Load Break Switch/Lbs-Fuse Combination Load Break Switch/Indoor Load Break Switch is a game-changer in the industry. It combines the VFKN12A-12D load switch and S*LAJ-12(XRNT*-10)M.V. current-limiting type fuse combination units, making it a reliable and efficient choice for any electrical system.
With its compact and sleek design, this load break switch is perfect for indoor installations. It seamlessly integrates into any electrical setup, providing a seamless and efficient solution for load breaking and fault protection.
Whether you're looking to upgrade your existing electrical system or starting a new project, this load break switch is the perfect choice. It offers exceptional performance, reliability, and safety, ensuring the smooth operation of your electrical system.

Don't miss out on this incredible product! Experience the power and efficiency of the 12kv Indoor High Voltage Lbs-Fuse Combination Load Break Switch and take your electrical system to new heights. Order yours today and witness the difference it can make in your industry!

Main technical parameter

 

Item	Unit	VACFR12-12D/T125-31.5
Rated voltage	kV	12
Rated frequency	Hz	50
Rated current	A	125
1 min power frequency withstand voltage	kV	Phase to phase,to earth 42;isolating fracture 48
Lightning impulse withstand voltage	kV	Phase to phase,to earth 75;isolating fracture 85
Rated thermal stability current	kA	20(4s)
Rated dynamic stability current	kA	50
Rated making current(peak)	kA	50
Rated short circuit breaking current(expected value)	kA	31.5
Critical breaking current max.1(2).T	kA	As per fuse characteristic curve
Min.breaking current	kA	As per fuse characteristic curve
Rated shift current	kA	1.2
Max,breaking current	kA	1.8
Breaking no-load transformer capacity	kVA	1250
Rated cable charged current	A	10
Breaking times of rated power load current	times	6000
Opening time of striker with load switch	s	<0.06
Thermal stability current of earth switch	kA	20(2s)
Dynamic stability current of earth switch(peak)	kA	50
Power voltage of motor operation	V	AC/DC 220

 

Item	Unit	Data
		VACFR12-12D/T125-31.5
Moving contact travel	mm	200(+8,-2)
Inter-phase center distance(before mechanism stored energy)	mm	210±1.5
Moving contact opening distance	mm	40±2
Opening clearance between auxiliary contact	mm	≥150
Tri-phase closing/opening asynchronous	ms	≤3
Just off speed	m/s	≥2.8
Just on speed	m/s	≥3.8
Distance between metal value to conduct tube	mm	≥125
Fracture distance of earth switch	mm	≥150
Main loop resistance	μΩ	≤300
Max operating torque	N.m	≤160

Note:1.Measure the distance between moving and fixed auxiliary contact,may measure the fixed arc contact after to conduct tube ejector nozzle end surface to add 24mm thickness.
2.While measuring main loop resistance of VFKRN12A-12D combination electrical appliance,fuse can be replaced by conduct rod whose resistance can be ignored.
 

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