1. The low-voltage metering box is an electric energy metering protection device, suitable for metering scenarios in residential areas, industrial and commercial users, photovoltaic grid-connected points, and municipal public works. 2. Rated voltage AC400V, 50/60Hz; metering circuit 1-12 circuits, supporting single-phase and three-phase metering specifications. 3. The box body is made of cold-rolled steel plate/stainless steel/flame-retardant ABS sealed shell, equipped with self-locking anti-electricity theft terminal blocks, the shell protection grade is IP54/IP65, and complies with the GB/T 17215 standard. 4. The box is equipped with a door lock and lead sealing device, with integrated overvoltage, overcurrent, and short-circuit protection. The outer shell is reliably grounded to prevent illegal power theft and illegal operations. 5. The box is anti-corrosion and weather-resistant, sealed against dust and water, and the metering module has stable accuracy, effectively ensuring accurate and reliable electric energy measurement. 6. Modular layout, metering circuit and protection circuit can be combined as needed. 7. The box material, number of circuits, and measurement accuracy can be customized to support the expansion of remote meter reading, prepayment, and load control functional modules. 8. Provide a full set of CCC certificates, measurement and testing reports, technical drawings, remote after-sales support and OEM customization services.

LV Metering Box for Residential, Industrial & Smart Grid Applications — Reliable Protection with Intelligent Metering

DSY's LV Metering Box is a professional electric energy metering and protection enclosure, designed for residential areas, industrial and commercial users, photovoltaic grid-connected points, and municipal public works. Rated at AC400V, 50/60Hz, it supports 1–12 metering circuits in both single-phase and three-phase configurations. The enclosure is built from cold-rolled steel, stainless steel, or flame-retardant ABS, achieving IP54/IP65 protection. Backed by 60+ patents and full CCC certification, it delivers accurate, tamper-resistant, and weatherproof energy metering across demanding environments.

What Is a Low Voltage Metering Box and Why Does It Matter?

A low-voltage metering enclosure serves as the critical boundary point between the utility provider and the end consumer. It houses electricity meters, current transformers, and protective switchgear within a sealed, structured environment.

In real-world power distribution networks, three problems appear repeatedly: unauthorized energy diversion, environmental damage to metering components, and safety risks during maintenance. A well-engineered LV Metering Box addresses all three — through tamper-evident sealing, weatherproof enclosures, and insulated internal compartments.

For procurement engineers and project managers, choosing the right metering enclosure directly affects system reliability, compliance, and long-term operational costs.

Product Applications

Key Product Features

Anti-Theft Protection You Can Rely On

The enclosure integrates self-locking anti-theft terminal blocks, door lock mechanisms, and lead sealing devices. The fully sealed structure prevents unauthorized access and illegal operations. The outer shell is reliably grounded to further reduce tampering risk.

Integrated Electrical Protection

Overvoltage, overcurrent, and short-circuit protection are built directly into the box. You don't need to add external protection devices — the safety system works as a single, coordinated unit. This simplifies installation and reduces failure points.

Weather and Corrosion Resistance

The enclosure material is selected for long-term durability. Cold-rolled steel, stainless steel, and flame-retardant ABS are all available depending on your project environment. The IP54/IP65 rating ensures the box performs reliably in dusty industrial sites, coastal zones, and outdoor urban infrastructure.

Stable Metering Accuracy

The high-precision metering module maintains stable accuracy under real operating conditions. This is critical for utility billing, photovoltaic grid connections, and commercial energy auditing. A full set of measurement test reports is provided with every unit.

Modular and Scalable Design

Metering circuits and protection circuits can be combined and configured based on project requirements. The modular layout allows expansion of remote meter reading, prepayment, and load control modules — making the system ready for smart grid and AMI deployment.

Technical Specifications

Parameter	Details
Rated Voltage	AC 400V
Rated Frequency	50Hz / 60Hz
Metering Circuits	1 ~ 12 circuits
Metering Specifications	Single-phase and three-phase
Box Protection Level	IP43 / IP55
Applicable Standards	GB/T 17215, DL/T 825, GB/T 14048.1
Shell Material	Cold-rolled steel plate / Stainless steel / Flame-retardant ABS
Core Configuration	Self-locking anti-theft terminal blocks, metering module, protection device
Customization Support	Box material, circuit count, accuracy grade, OEM available
Certifications	CCC, measurement and testing reports, technical drawings

Certifications

Application Scenarios

Residential Urban Infrastructure

In multi-occupancy residential buildings, centralized metering is a practical requirement. The modular internal layout allows multiple meter units to be mounted in a compact footprint. The anti-theft design is especially relevant in high-density housing environments.

Industrial and Commercial Users

Factories, shopping centers, and commercial parks require metering systems that handle higher loads, tougher environments, and stricter compliance requirements. The three-phase metering capability and IP65 rating make this enclosure suitable for these demanding settings.

Photovoltaic Grid-Connected Points

Solar energy projects require accurate bi-directional energy measurement at the grid connection point. The stable metering module and support for smart metering expansion make this box a practical fit for PV installations.

Municipal and Public Works

Street lighting grids, public utility substations, and transport infrastructure require durable, tamper-resistant metering solutions. The weather-sealed design and compliance with GB/T 17215 and DL/T 825 standards meet municipal procurement requirements.

Customization and Supply Capabilities

Every project has different requirements. DSY supports customization of the box material, number of metering circuits, and measurement accuracy grade. Remote meter reading modules, prepayment systems, and load control interfaces can all be integrated during production.

OEM and ODM services are available. Full documentation — including CCC certificates, measurement test reports, and technical drawings — is provided with each order. Remote after-sales support is available for installation and commissioning questions.

DSY has served as a qualified supplier for State Grid and China Southern Power Grid, with business covering China and overseas markets.

Exhibitions

Packaging & Shipping

Frequently Asked Questions

Q1: What is the main purpose of a low-voltage metering box?

A: It is an electric energy metering and protection enclosure used in residential areas, industrial and commercial settings, photovoltaic grid-connected points, and municipal public works.

Q2: What anti-theft measures are included?

A: The box uses self-locking anti-theft terminal blocks, a door lock and lead seal device, and a fully sealed structure to prevent illegal electricity theft and unauthorized operations.

Q3: What protection level does this metering enclosure achieve?

A: The box achieves IP43/IP55 protection depending on configuration. The weatherproof, anti-corrosion materials allow reliable performance in outdoor and harsh environments.

Q4: Can the box be customized for different projects?

A: Yes. Box material, circuit count, and accuracy grade are all customizable. Remote meter reading, prepayment, and load control modules can be added as needed, with OEM services available.

Q5: How is metering accuracy ensured?

A: High-precision metering modules maintain stable accuracy in line with national measurement standards. Full measurement test reports are provided with every unit.

Q6: Which standards does this product comply with?

A: This LV Metering Box complies with GB/T 17215, DL/T 825, and GB/T 14048.1, and comes with a full set of CCC certification documentation.

Contact Us

Need a quote or technical consultation? Reach out to our team at [email protected] — we respond promptly to all project inquiries.