High Voltage Single Phase Cast Resin CT Current Transformer for Switchgear

• Customization: Available
• Application: Instrument
• Type: Current Transformer
• Model NO.: LZZBJ9-10
• Phase: Single
• Operation Condition: Indoor
• Usage: Protection, Measurement
• Winding Form: Single Layer & Tightly Wound Type
• Insulating Medium: Epoxy Resin
• Installation: Strut Type
• Magnetic Circuit Structure: Single Stage Type
• Voltage Transformation Principle: Electromagnetic Type
• Rated Voltage: 11kv
• Installation Method: Withdrawable
• Rated Frequency: 50/60Hz
• Rated Primary Voltage: 10V
• Poles Number: 3
• Operation: Electric Type
• Arc-Extinguishing Medium: Dry Type
• Coil Structure: Toroidal
• Material: Resin
• Model No.: Lzzbj9-10
• Brand Name: Shengsu
• Color: Red
• Customize: Yes
• Certification: ISO9001-2000
• Breaking Capacity: Current Transformer
• Transport Package: Carton
• Specification: pcs
• Trademark: SHENGSU ELECTRIC CO., LTD
• Origin: China
• Package Size: 40.00cm * 20.00cm * 25.00cm
• Package Gross Weight: 18.600kg

Product Description

Item	value
Place of Origin	China
	Zhejiang
Brand Name	Shengsu
Model Number	LZZBJ
Phase	Three
Coil Structure	TOROIDAL
Coil Number	AUTOTRANSFORMER
Rated Primary Voltage	10V
Rated Secondary Voltage	5V
Frequency	50/60Hz
Rated Current	1A/5A
Standard	GB20840.2-2014

LZZBJ9-10A type current transformer is epoxy resin cast strut conditions indoors.For protection or energy measurement of the power system with rated frequency 50Hz rated voltage of 10kV and below, which LZZBJ9-10A installed in the center switchgear on other types of switchgear.The current transformer is the pillar structure, the use of epoxy pouring full-closed, resistant to pollution and humid, but also suitable for tropical regions. The transformer does not require special maintenance,just on a regular basis to remove surface dirt. Completely closed due to current transformer with epoxy resin casting. Small size, quality. Suitable for any location, and installed in any direction.

Product Parameters

NO	Item			Unit	Value
1	Rated voltage			KV	40.5
2	Rated insulation level	Power frequency withstand voltage	Dry test		95
			Wet test		80
		Lightning impulse withstand voltage  (peak)			185
3	Rated current			A	1250,1600,2000
4	Rated short-circuit breaking current			KA	20,25,31.5
5	Rated operation sequence				0-0.3s-combination-180s-combination
6	Rated short circuit current breaking times			times	12
7	Rated short circuit closing current(peak)			KA	50,63,80
8	Rated peak withstand current
9	Rated short-time withstand current			KA	20,25,31.5
10	Rated short circuit continuous current			S	4
11	Average opening speed			m/s	1.5±0.2
12	Average closing speed				0.7±0.2
13	Contact closing bounce time			s	≤2
14	Three-phase combined (minute)gate synchronous time difference				≤2
15	Closing time				≤150
16	Opening time				≤60
17	Mechanical life			times	10000
18	Rated operating voltage and auxiliary circuit rated voltage			V	DC220,110,24
					AC220,110,24
19	Dynamic and static contacts allow wear thickness			mm	3
20	weight			kg	800

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