Zm-Tctb Series Current Transformer Used for Relay Protection

• Customization: Available
• Application: Electronic, Instrument, Position Sensor, Audio, Lighting
• Type: Current Transformer
• Model NO.: ZM-TCTB
• Phase: Single
• Operation Condition: Indoor
• Usage: Protection, Measurement
• Winding Form: Multilayer Honeycomb Type
• Insulating Medium: Insulating Paper
• Installation: Active Type
• Magnetic Circuit Structure: Combined Type
• Voltage Transformation Principle: Capacitive Type
• Transport Package: Cartons
• Specification: ISO9001, ISO14001, ROHS, CE, SGS
• Trademark: zeming
• Origin: China
• HS Code: 8504311000
• Production Capacity: 80.000PCS/Year

Product Description

ZM-TCTB series Current Transformer

Features and application: Direct voltage outputs, no power supply, high reliability, for the power measurement and protection
Structural parameter:

                   Front view                                                       Bottom view
Circuit schematic:  

The main technical parameters:

Model	Rated input current(A)	Rated output voltage(V)	Accuracy class	phase angle error	Overload multiples	Compressive strength(V)	remark
ZM-TCTB 1.2A/3.53V	1	2.941	0.1	≤5'	2	3000	measurement
ZM-TCTB 1.2A/7.07V	1	5.891	0.1	≤5'	2
ZM-TCTB 6A/3.53V	5	2.941	0.1	≤5'	2
ZM-TCTB 6A/7.07V	5	5.891	0.1	≤5'	2
ZM-TCTB 20A/3.53V	1	0.1765	0.2	≤20'	20	3000	protection
ZM-TCTB 20A/7.07V	1	0.3535	0.2	≤20'	20
ZM-TCTB 100A/3.53V	5	0.1765	0.2	≤20'	20
ZM-TCTB 100A/7.07V	5	0.3535	0.2	≤20'	20
ZM-TCTB 150A/3.53V	5	0.1176	0.2	≤20'	30

Note: the models in above table are  commonly used by our customers, if you require different ratios; you only need to provide the technical requirements for the design and production.