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China TY Three-Phase Electric Energy Metering Box - Transformer Type | Suppliers & Factory Direct Solutions
Core Features
Advanced material
Made of SMC glass fiber reinforced plastic, it has high insulation, impact strength and UL94 V-0 flame retardant performance.
Long-lasting and durable
Indoor lifespan >40 years, outdoor lifespan >30 years, far exceeding that of metal/plastic meter boxes.
Environmental tolerance
Corrosion resistance, anti-aging, smooth and beautiful surface, adaptable to -25℃~+50℃ environment.
Protective design
Integrated rainproof structure, supports outdoor installation, and has a protection level of IP54.
Application scenarios
Flexible configuration
Supports single-household, cross-household and multi-household free combination (such as 1-16 tables).
Scenario coverage
Residential areas, civil substations, compatible with 220V~690V single/three-phase power grids.
Construction advantages
Concealed wiring design, suitable for wall/pole installation, easy to operate.
TY-SXS3-1A-FJ Model, configuration and installation dimensions
| TY | SX | S3 | 1 | A | FJ |
| Company Code | SMC non-metallic metering box | Meter connected via transformer | Table number | First Generation | Fujian |
| Configuration | Name | Component Model | Quantity |
|---|---|---|---|
| Incoming switch | Molded case circuit breaker | NM1B-250S/4300A 225A meter box dedicated | 1 |
| Outlet switch | Molded case leakage circuit breaker | NXMLE-250S/4310AY 200A F 0.2s AC230V Household meter | 1 |
| Power supply | breaker | NBP-63 2P C6 dedicated | 1 |
| Electric meter bracket | Three-phase gap type transformer connector | 60A | 1 |
TY-SXS3-1B-FJ Model, configuration and installation dimensions
| TY | SX | S3 | 1 | B | FJ |
| Company Code | SMC non-metallic metering box | Meter connected via transformer | Table number | Second Generation | Fujian |
| Configuration | Name | Component Model | Quantity |
|---|---|---|---|
| Incoming switch | Molded case circuit breaker | NM1B-250S/4300A 250A meter box dedicated | 1 |
| Outlet switch | Molded case leakage circuit breaker | NXMLE-250S/4310AY 250A F 0.2s AC230V Household meter | 1 |
| Power supply | breaker | NBP-63 2P C6 dedicated | 1 |
TY-SXS3-2A-FJ Model, configuration and installation dimensions
| TY | SX | S3 | 2 | A | FJ |
| Company Code | SMC non-metallic metering box | Meter connected via transformer | Table number | First Generation | Fujian |
| Configuration | Name | Component Model | Quantity |
|---|---|---|---|
| Incoming switch | Molded case circuit breaker | NM1B-250S/4300A 250A meter box dedicated | 1 |
| Outlet switch | Molded case leakage circuit breaker | NXMLE-250S/4310AY 200A F 0.2s AC230V Household meter | 1 |
| Outlet switch | Molded case leakage circuit breaker | NXMLE-125S/4310AY 125A F 0.2s AC230V Household meter | 1 |
| Power supply | breaker | NBP-63 2P C6 dedicated | 1 |
Frequently Asked Questions (FAQ)
What material is used for the TY-SXS3 metering boxes and what are its properties?
The metering boxes are made of SMC (Sheet Molding Compound) glass fiber reinforced plastic. This advanced material provides high insulation, excellent impact strength, and UL94 V-0 flame retardant performance.
What is the expected lifespan and environmental tolerance of these meter boxes?
These SMC meter boxes are designed for long-lasting durability, with an indoor lifespan of over 40 years and an outdoor lifespan of over 30 years. They offer high corrosion resistance, anti-aging properties, and can adapt to harsh environments ranging from -25℃ to +50℃.
Can these metering boxes be installed outdoors?
Yes, they feature an integrated rainproof structure specifically designed to support outdoor installations, carrying a protection rating of IP54.
What installation methods and grid systems are compatible?
The boxes support wall-mounted and pole-mounted installations with a concealed wiring design. They are fully compatible with 220V to 690V single-phase or three-phase power grids and support configurations from single to multiple households (e.g., 1-16 tables).
What does the model code prefix "TY-SX-S3" signify?
According to the configuration breakdown, "TY" is the Company Code, "SX" stands for SMC non-metallic metering box, and "S3" indicates that the meter is connected via a transformer.



