The TR21 collection Residual (zero sequence) present transformer are designed to get residual (zero sequence) existing signal .residual (zero sequence) existing generally of the mA level and must be wound by way of the main ,which has a high requirement for balancing attributes ,immunity to interference and linearity .
This sequence merchandise has a wide evaluate selection ,rated major existing transformer :10mA~5A ,rated secondary present assortment :~5mA,excellent high permeability magnetic core and superior generating method stream,making sure its precision selection ,reliability ,and so forth.
Appropriate for motor protection ,relay safety,tiny existing grounding technique
Suitable for electrical hearth checking techniques
Versatile output approach
By means of framework ,epoxy resin casting,very good steadiness
Higher permeability permalloy or nanocrystalline ,with very good linearity and high sensitivity
Excellent harmony characteristics and extremely strong immunity to electromagnetic fields .
| CZPTmmend specification | |||||||||
| Type | Specification | Accuracy | Rated Continuous | Temperature Range | Measurement(±1mm) | ||||
| Thermal Current | Φ | L | W | H | D | ||||
| TR21313B | 1A/.5mA | .two% | 10A | -40ºC~ +85ºC | 32 | ninety one | 28 | 70 | 80 |
| TR21314B | 1A/.5mA | .two% | 10A | -40ºC~ +85ºC | forty five | 104 | 28 | 83 | 93 |
| TR21315B | 1A/.5mA | .two% | 10A | -40ºC~ +85ºC | 65 | 126 | 28 | 105 | a hundred and fifteen |
| TR213156B | 1A/.5mA | .two% | 10A | -40ºC~ +85ºC | 80 | 143 | 28 | 122 | 132 |
| TR21317B | 1A/.5mA | .2% | 10A | -40ºC~ +85ºC | a hundred and five | 172 | 28 | 151 | 161 |
