MSQ Series Current transformers

Product catalog summary

Product Description
MSQ-0.66/A series current transformers are designed for testing, controlling, displaying, and recording the operation of electrical equipment. They also provide protection against equipment damage. These transformers operate at a frequency of 50 or 60 Hz with a rated voltage of ≤ 0.66KV and comply with international standards IEC61869 and GB 20840-2016.

Applications

Current measurement, monitoring, and protection for electrical circuits or equipment.
Current and power measurement for electric motors, lighting, air compressors, heating and ventilation systems, air-conditioning equipment, and auto control systems.
Current, power, and energy monitoring devices.
Energy or relay protection devices.

Technical Index

Rated input current: 30A-12000A
Rated output current: 5A, 1A
Rated voltage: 0.66KV
Accuracy class: 0.2S, 0.5S, 0.2, 0.5, 1 class
Frequency: 50/60 Hz
Power factor: Cosφ=1.0
Dielectric strength: 4.0KV/1mA, no breakdown for 60 seconds
Insulation: DC 500V/1000MΩ Min
CT core: Silicon steel
Connection: Screws
Operating temperature: -45 to +50 ℃
Air humidity: ≤ 85% at 20℃

Specifications and Parameters

Type	Rated Ratio	Accuracy Class / Rated Load (VA)	Rated Voltage (KV)
MSQ-0.66/30	30/5A--300/5A	2.5-5	0.66
MSQ-0.66/50	300/5A--800/5A	5-10	0.66
MSQ-0.66/60	300/5A-1500/5A	5-10	0.66
MSQ-0.66/80	300/5A--2000/5A	5-10	0.66
MSQ-0.66/100	400/5A--3000/5A	5-10	0.66
MSQ-0.66/120	800/5A--4000/5A	10-15	0.66
MSQ-0.66/130	2000/5A--5000/5A	10-15	0.66
MSQ-0.66/150	2000/5A—6000/5A	10-20	0.66
MSQ-0.66/200	3000/5A—6000/5A	10-15	0.66
MSQ-0.66/225	3000/5A—6000/5A	10-20	0.66
MSQ-0.66/260	4000/5A—12000/5A	10-25	0.66

Outline Dimensions

Item	A (mm)	B (mm)	C (mm)	a (mm)	b (mm)
MSQ-30	66	98	44	32	32
MSQ-50	87	106	45	43	32
MSQ-60	102	110	48	62	32
MSQ-80	122	118	48	82	32
MSQ-100	140	122	48	102	32
MSQ-120	168	153	48	125	52
MSQ-130	178	159	48	132	61
MSQ-150	200	159	48	152	55
MSQ-200	243	205	50	202	81
MSQ-225	275	205	50	227	81
MSQ-260	313	225	62	265	104

Catalog excerpts

MSQ-0.66 系列互感器 MSQ-0.66 series Current transformer 产品描述 Description MSQ-0.66/A series current transformers are used to test , control, display and recording the operation of electrical equipment, as well as protect the equipment against damage, with frequency of 50 or 60 Hz and rated voltage ≤ 0.66KV, Conform to international standard IEC61869 and GB 20840-2016. 产品应用 Applications -Current measurement, monitoring and protection for electrical circuit or equipment; -Current and power measurement for electric motors, lighting, air compressor, heating and ventilation system, air-conditioner equipment and auto control system ; -Current, power and energy monitoring device； -Energy

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技术指标 Technical index Rated input current 额定输入电流 Rated output current 额定输出电流 Rated voltage 额定电压 Accuracy class 精度等级 Frequency 频率 Power factor 功率因素 Dielectric strength 耐压 Insulation 绝缘强度 CT core 互感器磁芯 Connection 连接方式 Operating temperature 工作温度范围 Air humidity 空气湿度产品规格和参数 Specs and parameters Type 型号

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