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JSZV12-10R Voltage Transformer
  • JSZV12-10R Voltage TransformerJSZV12-10R Voltage Transformer
  • JSZV12-10R Voltage TransformerJSZV12-10R Voltage Transformer
  • JSZV12-10R Voltage TransformerJSZV12-10R Voltage Transformer
  • JSZV12-10R Voltage TransformerJSZV12-10R Voltage Transformer

JSZV12-10R Voltage Transformer

Comewill factory's JSZV12-10R Voltage Transformer is engineered for 50Hz, 10kV indoor power systems. Its core advantages lie in its dual-purpose output (100V for metering, 220V for control power) , flexible V-phase wiring, and epoxy resin fully sealed construction, ensuring durable, maintenance-friendly operation in demanding indoor environments.

As the professional manufacturer in China, Comewill would like to provide you high quality JSZV12-10R Voltage Transformer. Beyond its structural adaptability, the transformer excels in operational safety and continuity. A standout feature is its hot-swappable fuse design—the primary windings of phases A, B, and C are integrated with short-circuit protection fuses that can be replaced via the secondary terminal without interrupting system operation.

What is JSZV12-10R Voltage Transformer?

The JSZV12-10R is designed to adapt to varied on-site conditions. It supports a standard three-phase "V" type wiring configuration and can be conveniently disassembled into two independent single-phase units, offering flexibility for installation and system design.

Core Applications and Characteristics

The JSZV12-10R Voltage Transformer is purpose-built to meet the rigorous demands of 10kV indoor power systems, combining measurement accuracy with operational reliability.
1.Dual-Secondary Output Functionality:
100V output: Designed for high-precision voltage measurement and energy metering.
220V output: Serves as a reliable auxiliary power supply for control mechanisms, reducing the need for additional power components.
2.Superior Insulation and Durability:
Fully sealed with high-grade epoxy resin, offering outstanding moisture resistance, insulation strength, and protection against aging—ideal for complex or high-humidity indoor environments.
Constructed with high-quality cold-rolled silicon steel sheet cores to ensure low losses and stable performance.
3.Comprehensive Safety Protection:

Built-in fuses on all primary windings provide robust short-circuit protection.
Fuse replacement is simple and does not require system shutdown, ensuring maximum uptime.

Type Designation

Code Meaning Description
J Voltage Transformer Identifies the equipment category for immediate recognition.
S Three-Phase Designed for three-phase power systems to meet multi-circuit measurement and protection needs.
Z Epoxy Resin Cast Insulation Indicates a fully cast insulation process for enhanced moisture resistance and durability.
V V-Type Wiring Denotes the wiring configuration, providing installation flexibility.
12-10 Design & Voltage Rating 12 is the design series; 10 represents the rated voltage (10kV), precisely matching system requirements.
R With Fuse Signifies integrated short-circuit protection for enhanced operational safety.

Operating Conditions for JSZV12-10R

To ensure long-term stability and reliability, theJSZV12-10R Voltage Transformer is designed to operate within the following environmental parameters. As a professional factory with deep manufacturing expertise, Comewill can also provide customized adaptations for non-standard conditions.

Temperature Range: -5°C to +40°C
Altitude: ≤ 1000m (custom solutions available for high-altitude installations)
Relative Humidity: ≤ 80%
Surrounding Environment: Free from corrosive gases, vapors, or conductive dust (e.g., carbon or metal powder)
Vibration and Impact: Installation site must be free from strong vibrations or mechanical shocks.

Technical Data

form1:technical dataofvoltagetransformerfor measuring

Type Rated voltage ratio(V) Accuracy class and rated output(VA) Maxoutput(VA) rated insulation level(kV)

class 0.2 class 0.5
JSZV12-10R 10000/100 20 60
12/42/75

JSZV12-10R 10000/100 20
500 12/42/75

JSZV12-6R 6000/100 60
7.2/32/60
Type Rated voltage ratio(V) Accuracy class and rated output(VA) Maxoutput(VA) rated insulation level(kV)

class 0.2 class 0.5
JSZV12-10R 10000/100 20 60
12/42/75

JSZV12-10R 10000/100 20
500 12/42/75

JSZV12-6R 6000/100 60
7.2/32/60

form2:technical dalaofvoltagetransformer forcircuit breakeroperatingpower

Type Rated voltageratio(V) Accuracy class andrated output(VA) Short time Maxoutput power(VA) rated insulationlevel(kV)
JSZV12-10R 10/0.1/0.22 0.2 30 600 12/42/75
JSZV12-10R 10/0.1/0.1 0.2 20 2×400 12/42/75
JSZV12-6R 6/0.1/0.1 7.2/32/60
JSZV12-3R 3/0.1/0.1 0.2 20 3.6/25/40
JSZV12-10R 10/0.1 0.2 20 500 12/42/75
JSZV12-6R 6/0.1 7.2/32/60

Notes: For circuit breaker operating power supply, withstand voltage shall not exceed 15%

Outline and Dimensions

Principle diagram

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