Current Transformer

LMZJ Type Current Transformer

Item No.: LMZJ
They're pouring type current transformers, the installation method uses a fixed plate.
Description
Description
Introduce

LMZ and LMZJ ranges of current transformers are mainly used indoors. 

For a rated voltage of 0.5kV and below rated frequency of 50Hz AC circuit as the current energy measurement or relay use.

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 Current, power and energy monitoring device.
Relay protection device.
Features
The structure of the self-locking, safe, easy to install, portable.
Wide inner window, allowing clamping of big cables or bus-bars.
Wide range of sizes to accommodate all the existing installations.
Technical Parameter

 

Electrical Parameter Mechanical Parameter
Frequency 50/60Hz Case PC/UL94-V0
Rated Input 5A-5000A Bobbin PBT
Measuring range 5%In-120%In Core Silicon steel
Rated Output 1A,5A Construction Screw
Ratio Voltage 0.72KV (AC) Operating Temp -25℃~+75℃
Dielectric strength 3.0KV/1mA/1min Operating Humidity ≤85%
Insulation Resistance DC500V/100MΩ min Output Connection Terminal

 

Specification

 

Model Primary / Secondary Busbar Hole Dimensions(mm) Rated Burden (VA) Accuracy Class Rated Voltage
LMZJ1-0.5  30 5/5A~300/5A ø=31mm 2.5~5 0.2S  0.5S  0.5 0.72KV(AC)
LMZJ1-0.5  35 5/5A~300/5A ø=35mm 2.5~5 0.2S  0.5S  0.5 0.72KV(AC)
LMZJ1-0.5  40 200/5A~500/5A ø=42mm 5 0.2S  0.5S  0.5 0.72KV(AC)
LMZJ1-0.5  50 400/5A~600/5A ø=56mm 5 0.2S  0.5S  0.5 0.72KV(AC)
LMZJ1-0.5  80 750/5A~1200/5A ø=83mm 10~20 0.2S  0.5S  0.5 0.72KV(AC)
LMZJ1-0.5  100 800/5A~2000/5A ø=102mm 10~30 0.2S  0.5S  0.5 0.72KV(AC)
LMZJ1-0.5  140 2000/5A~4000/5A ø=142mm 15~30 0.2S  0.5S  0.5 0.72KV(AC)
LMZJ1-0.5  180 5000/5A~6000/5A ø=182mm 15~30 0.2S  0.5S  0.5 0.72KV(AC)

 

Dimensions

 

LMZJ1-0.5(30-50)
Model H h D d a b
LMZJ1-0.5 30 113mm 70mm 86mm 31mm / /
LMZJ1-0.5 35 114mm 70mm 88mm 31mm 10mm 36mm
LMZJ1-0.5 40 115mm 70mm 90mm 36mm 10mm 42mm
LMZJ1-0.5 50 127mm 75mm 96mm 50mm 12mm 56mm
LMZJ1-0.5(30-50)
Model A1 A2 B h H L1 L2 C b
LMZJ1-0.5 80 145mm 83mm 45mm 80mm 100mm 125mm 115mm 50mm 50mm
LMZJ1-0.5 100 175mm 102mm 45mm 102mm 120mm 143mm 123mm 50mm 70mm
LMZJ1-0.5 140 210mm 142mm 45mm 117mm 150mm 162mm 150mm 50mm 90mm
LMZJ1-0.5 180 260mm 182mm 45mm 125mm 190mm 185mm 162mm 50mm 110mm
 

 

Installation method

 

Accuracy test

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cooperated with Siemens ,schneider Fuji electrical softbank LG samdsung.
Tel:13968747975
Add:(Zhejiang Lierde Relay Co., Ltd.) Xinguang Ind. Zone, Liushi Town, Wenzhou, Zhejiang, China
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