15.5 kV MSO Intelligent Post-Mounted Outdoor Recloser

MSO intelligent outdoor vacuum circuit breaker is an outdoor intelligent switch, which adopts integrated voltage and current sensors casted by outdoor hydrophobic epoxy resin material, epoxy resin solid insulation, fully shielded signal transmission to the control terminal and mono-stable permanent magnet operating mechanism, and provides manual closing and manual opening functions.

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Product application

Classification

Outdoor Switchgear

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Product Description

Technical Specification

Parameter Name	Unit	Technical Parameters
Rated Voltage	kV	12	15.5
Power Frequency Withstand Voltage	kV	42kV
Lightening Impulse Insulation Level	kVp	95kV
Rated Current	A	630	630
Rated Frequency	Hz	50/60	50/60
Rated Short-circuit Breaking Current	kA	20	20
Rated Short-circuit Withstand Capacity	kA/s	20/4	20/4、12.5/3

27kV MSO Intelligent Post-mounted Outdoor Recloser Recloser Technical Specification

Item	Unit	Data
Rated Maximum Voltage	kV	27
Rated Continuous Current	A	630
Fault Make Capacity (rms)	kA	16
Fault Make Capacity (Peak)	kA	42
Power Operating Time		O-0.2S-CO-1.8S-CO-1.8S-CO
Mechanical Operations	times	10,000
Short time Current	kA	16
Rated duration of short circuit	s	3
Rated frequency	Hz	50/60
Fault Break Capacity	kA	16
Cable Charging	A	40
Line Charging	A	5
Rated power frequency withstand	kV	60/70
Phase to Earth	kV	150
Across Interrupter	kV	150
Partial Discharge	kV	≤5pc while voltage is 18.7
Ambient Temperature	℃	-40~70
Altitude meters(Max)	m	2000
Pollution class		Ⅳ
Degree of protection		IP65
Applicable standards		IEC62271-111 and IEEE C37.60
Voltage sensor load side		±1% accuracy (1P)
Voltage sensor source side		±1% accuracy (1P)
Current transformers ratio(Slotted Core)		630:1
Accuracy of Current Transformer		0.5/5P20
Rated contact stroke	mm	12±1 mm
Contact connection stroke	mm	4±1 mm
Average opening speed	m/s	1.4±0.2
Average closing speed	m/s	0.8±0.2 m/s
Rated added force on closed contacts	N	1500±100
Max.bouncing duration	ms	≤2
Out of simultaneity of contact closing and opening	ms	≤1
Max.rebound distance	mm	≤2
Main circuit resistance	μΩ	≤50