Table of Contents
What Is LMZJ1-0.66 Series Low Voltage Current Transformer？
LMZJ1-0.66 BH-type current transformer is mainly used for indoor, for rated voltage up to and including 0.66 kV, rated frequency 50Hz, accircuit as the electric current and electric energy, and relay protection. The product is an epoxy resin current transformer, which is widely used in complete sets of cabinets. Put oneself in another’s position, its installation method can be used for bus fixed and base plate fixed installation method, suitable for any direction installation, a conductor for bus or cable. Standard:lEC61869
Working Conditions of the LMZJ1-0.66 Series Low Voltage Current Transformer
- Installation sites: indoor
- Ambient temperature:-5~40`c
- Ambient humidity: ≤ 80%
- Altitude: s1000m
- Atmospheric conditions: no serious impurity in the atmosphere.
Product Parameters
| Product chart | Current ratio (A) | Secondary load(VA) | Cross-core turn number | |||
| Class 1 | Class 0.5 | Class 0.5S | Class 0.2 | |||
| LMZJ1-0.66_30 | 100/5 | 2.5 | 1 | |||
| 150/5 | 2.5 | 1 | ||||
| 200/5 | 2.5 | 1 | ||||
| 300/5 | 5 | 1 | ||||
| 400/5 | 5 | 1 | ||||
| LMZJ1-0.66_40 | 200/5 | 2.5 | 1 | |||
| 250/5 | 2.5 | 1 | ||||
| 300/5 | 5 | 1 | ||||
| 400/5 | 5 | 1 | ||||
| 500/5 | 5 | 1 | ||||
| 600/5 | 5 | 1 | ||||
| 750/5 | 10 | 1 | ||||
| 800/5 | 10 | 1 | ||||
| LMZJ1-0.66 50 | 300/5 | 2.5 | 1 | |||
| 400/5 | 5 | 1 | ||||
| 500/5 | 5 | 1 | ||||
| 600/5 | 5 | 1 | ||||
| 750/5 | 10 | 1 | ||||
| 800/5 | 10 | 1 | ||||
| 1000/5 | 10 | 1 | ||||
| LMZJ1-0.66 60 | 400/5 | 5 | 1 | |||
| 500/5 | 5 | 1 | ||||
| 600/5 | 5 | 1 | ||||
| 750/5 | 10 | 1 | ||||
| 800/5 | 10 | 1 | ||||
| 1000/5 | 10 | 1 | ||||
| LMZJ1-0.66 80 | 500/5 | 5 | 1 | |||
| 600/5 | 5 | 1 | ||||
| 750/5 | 10 | 1 | ||||
| 800/5 | 10 | 1 | ||||
| 1000/5 | 10 | 1 | ||||
| 1200/5 | 10 | 1 | ||||
| 1500/5 | 10 | 1 | ||||
| 1500/5 | 10 | 1 | ||||
Why Choose ZHIMING's LMZJ1-0.66 Series Low Voltage Current Transformer?
Epoxy Resin Casting for Superior Insulation
The epoxy resin encapsulation provides excellent dielectric strength, moisture resistance, and mechanical protection, ensuring long-term reliability in low voltage systems.
Flexible Installation Options
Supports both busbar fixing and base plate fixing methods, and can be installed in any direction, adapting easily to various cabinet layouts and space constraints.
Dual Primary Conductor Compatibility
Accepts either busbars or cables as the primary conductor, offering versatility for different system designs without requiring additional adapters.
Accurate Measurement & Relay Protection
Designed for 0.66kV, 50Hz circuits, this transformer delivers precise current and energy readings while providing reliable signals for protection relays, enhancing system safety.
Complies with IEC 61869
Manufactured according to international standard IEC 61869, ensuring performance, safety, and global acceptance for low voltage current transformer applications.
FAQ
What is the maximum rated voltage of this low voltage current transformer?
The rated voltage is up to and including 0.66kV (660V), suitable for common low voltage distribution systems.
Can this transformer be installed outdoors?
No, the LMZJ1-0.66 BH-type is designed for indoor use only. Outdoor exposure may damage the epoxy resin and reduce insulation performance.
What types of primary conductors can be used?
Both busbars and cables can be used as the primary conductor, offering flexible integration into different switchgear designs.
What are the main applications of this transformer?
It is used for electric current measurement, electric energy metering, and relay protection in AC circuits up to 0.66kV and 50Hz.
Does this product comply with any international standard?
Yes, it complies with IEC 61869, the international standard for instrument transformers.
