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Current Transformer MR
    Publish time 2021-08-24 16:20    
Current Transformer MR


Current Transformer MR


Introduce:

MR Current transformer is a very useful device, it converts high AC current to small easily manageable value. If current transformers have no busbar, they are manufactured without primary winding. Instead of this, it is possible to constitute primary winding by passing conductor or busbar inside torpidly core of transformer. Furthermore, the secondary terminals are under a transparent sealable covers.

MR are manufactured in two types for measuring and protection.

Features:

  • The accuracy class is designed by the highest permissible percentage current (ratio) error at the rated current perscribed for the accuracy class concerned.

  • The  Electronic Transformer s the standard sillicon steel core models,tape wrapping current transformer, low cost.

  • The  measuring current transformers can be used with or without foot and plastic cover.

Applications:

  • Current measurement, monitoring and piotection for electrical wiring and equipment.

  • Current and power measurement for electric motors, lighting, air compressor, heating and ventilation system,air-condition equipment and automation-control system.

  • Current, power and energy monitoring device.

  • Relay protection device.


Electrical ParameterMechanical Parameter
Frequency50/60HzCasePC/UL94-V0
Rated Input30A-5000ABobbinPBT
Measuring range5%In-120%InCoreSilicon steel
Rated Output1A,5AConstructionScrew
Ratio Voltage0.72KV (AC)Operating Temp-25℃~+75℃
Dielectric strength3.0KV/1mA/1minOperating Humidity≤85%
Insulation ResistanceDC500V/100MΩ minOutput ConnectionTerminal
TypeRatio(A)Burden(VA)
class:0.5class:1.0
MR-2850/5A1.5
60/5A1.5
75/5A1.5
100/5A1.52.5
50/1A1.5
60/1A1.5
75/1A1.5
100/1A1.52.5
TypeRatio(A)Burden(VA)
class:0.5class:1.0
MR-40100/5A1.52.5
150/5A1.52.5
200/5A2.55
250/5A3.755
300/5A3.755
100/1A1.52.5
150/1A1.52.5
200/1A2.55
250/1A3.755
300/1A3.755
TypeRatio(A)Burden(VA)
class:0.5class:1.0
MR-42100/5A1.52.5
150/5A1.52.5
200/5A2.55
250/5A3.755
300/5A3.755
100/1A1.52.5
150/1A1.52.5
200/1A2.55
250/1A3.755
300/1A3.755
TypeRatio(A)Burden(VA)
class:0.5class:1.0
MR-45250/5A3.755
300/5A57.5
400/5A57.5
250/1A3.755
300/1A57.5
400/1A57.5
TypeRatio(A)Burden(VA)
class:0.5class:1.0
MR-60300/5A3.755
400/5A57.5
500/5A510
600/5A7.510
800/5A7.510
300/1A3.755
400/1A57.5
500/1A510
600/1A7.510
800/1A7.510
TypeRatio(A)Burden(VA)
class:0.5class:1.0
MR-70600/5A51
800/5A7.510
1000/5A1015
1200/5A1015
1500/5A1015
1600/5A1015
600/1A510
800/1A7.510
1000/1A1015
1200/1A1015
1500/1A1015
1600/1A1015
TypeRatio(A)Burden(VA)
class:0.5class:1.0
MR-85600/5A510
800/5A7.510
1000/5A1015
1200/5A1015
1500/5A1015
1600/5A1015
600/1A510
800/1A7.510
1000/1A1010
1200/1A1010
1500/1A1010
1600/1A1010
TypeRatio(A)Burden(VA)
class:0.5class:1.0
MR-1252000/5A1520
2500/5A1520
3000/5A1520
4000/5A2030
5000/5A2030
2000/1A1520
2500/1A1520
3000/1A1520
4000/1A2030
5000/1A2030