Three Phase Keypad Prepaid Energy Meter

In modern complex power systems, simplifying complexity and embracing digitalization are key to ensuring stability. As a professional manufacturer deeply rooted in the power metering field, we are able to provide deep customization services for global clients.Our high-quality Three Phase Keypad Prepaid Energy Meter (Model CA368) is widely used in various commercial buildings, small-to-medium factories, and new energy grid-connected equipment. Based on an advanced fully electronic design, this instrument uses dedicated integrated circuits to collect three-phase voltage and current signals in real time, accurately calculating total active power and per-phase energy consumption. Its purely solid-state structure without mechanical parts gives it exceptional shock resistance. The clear LCD digital display window not only intuitively shows the status of each phase's voltage and current but also boasts outstanding explosion-proof performance. The classic wall-mounted installation design allows rapid on-site construction without special tools. When you wholesale this rugged white electronic meter fromus, you get a true metering weapon built for the modern IoT and capable of resisting the erosion of time.

Core Parameter Matrix: Electrical Performance Metrics Down to the Millimeter

Product Feature And Application

Application

The Three Phase Keypad Prepaid Energy Meter CA368 offers options for extended surge protection for lightening up to 13kV and a widevoltage working range -50% ~ +130%. It is intended for unstable grid voltage environment such as African and Central American continent where brownouts and voltage dips are extremely frequent. The meter works in a three phase four wire network with 100 Amp per phase, and 30 Vm withstand of RF immunity, allowing it to operate in very severe environments. It is a perfect revenue protection device for sub-metering of residential, light commercial and industrial applications.

Split Configuration for Increased Revenue Protection

The meter consists of two parts, the MCU (Metering & Control Unit) and UIU (User Interface Unit). TheMCU and UIU is linked via galvanically-isolated 2-wire communication cable or Radio Frequency (RF) communication is also available on request. The UIU is installed within consumer's home for prepaid token input and info inquiry, while MCU is installed in a meter cabinet away from consumers.

Main Feature

20 digit (Standard Transfer Specification) STS encryption

DLMS / COSEM standards compliant

Connect with the backend platform by GPRS, built-in pluggable GPRS module

Disconnects on overload and no credit

Programmable power limit and low credit warning

Tamper detection and event record such as opening cover, reverse connection, black-out

Maximum demand measurement and load profiling (on request)

Utility Benefit

Easy and quick to install with no need of extra communication devices

Input payment control elements, such as emergency unit, tariff, free basic unit, repayment, fixed

charge, VAT etc.

4 tariffs /8 time divisions /100 holidays usage recorded on TOU basis

Flexible AMR AMI setup

Support Plug-in GPRS module

E-E-A-T Deep Endorsement:Three Phase Keypad Prepaid Energy Meter Authority Under Heavy Loads

In cross-border B2B trade of electrical equipment, E-E-A-T is the core yardstick for measuring supplier value.

Experience: Legy boasts over fifteen years of manufacturing experience in electronic energy meters. Our R&D team has been deeply involved in multiple overseas rural grid transformation and industrial park power distribution projects. We fully understand extreme working conditions such as harmonic pollution and voltage fluctuations common in three-phase grids, and have optimized the underlying algorithms of the CA368 accordingly.

Expertise: For three-phase high-current environments, we use high-precision manganese-copper shunts and dedicated three-phase metering chips, combined with automated SMT placement processes, ensuring high measurement accuracy and thermal control even under heavy loads.

Authoritativeness: As a source factory certified by the ISO9001 quality management system, the CA368 strictly complies with the IEC 62053 international standard and has passed rigorous Electromagnetic Compatibility (EMC) testing.

Trustworthiness: Feedback from tens of thousands of overseas clients and an extended 18-month worry-free warranty commitment form our most solid reputation moat, allowing every buyer choosing Legy's three-phase prepaid meter to place orders with peace of mind.

Competitive Landscape Analysis: Why Do Engineers Prefer the Three Phase Keypad Prepaid Energy Meter CA368?

In the Three Phase Keypad Prepaid Energy Meter market, low-end imitations often achieve "billing capability" but ignore "safety and stability." Many cheap three-phase meters are prone to crashing or runaway metering when facing transient high-current impacts during motor startups; moreover, their relay contact capacities are insufficient, making them easy to burn out under long-term load. In contrast, Legy Three Phase Keypad Prepaid Energy Meter CA368 demonstrates crushing durability. We have added multi-stage lightning surge protection to the internal power supply design and selected ultra-high-capacity magnetic latching relays for the main control, significantly improving short-circuit and overload resistance. Furthermore, the unique three-phase undervoltage and phase-loss alarm function of the CA368 can effectively prevent motor burnout accidents caused by phase loss operation. For B2B buyers pursuing extremely low failure rates and long-term stable operation, the CA368 is not only the top choice for replacing inferior competitors but also a solid defense line for power safety.

Outstanding Features & Application Analysis: Guarding Digital Hubs Across Harsh Environments

When facility managers choose to source the Three Phase Keypad Prepaid Energy Meter (Model CA368) fromus, they are actually investing in ultimate reliability. Thanks to its fully electronic solid-state architecture and optimized isolation power supply, this meter demonstrates astonishing survivability when facing lightning surges or grid harmonic pollution caused by the start-stop of heavy motors. In practical applications, power inspectors highly appreciate its intuitive LCD counter—this design eliminates the reliance on backup batteries, keeping historical consumption data and balances safely stored in non-volatile memory even during multi-day outages in remote mining areas. Whether for factory workshops driving CNC machines or agricultural irrigation pump stations, this meter delivers uncompromising accuracy. For scenarios requiring long-term stable operation with limited maintenance resources, it is an irreplaceable fundamental metering infrastructure.

Competitive Edge: Uncompromising Ultimate Manufacturing Craftsmanship

Why do senior engineers always prefer premium three-phase electronic meters? The answer lies in unseen details. When manufacturing this Three Phase Keypad Prepaid Energy Meter,we firmly abandon cheap sampling resistors, opting instead for high-precision manganese-copper shunt elements, reducing three-phase measurement errors to the lowest industry level. Furthermore, we equip our meters with rigorously screened industrial-grade microcontrollers and introduce automated laser fine-tuning equipment to precisely calibrate pulse output. Compared to common inferior imitations on the market, our products demonstrate extremely smooth linear error curves during full-load testing. For B2B buyers focused on long-term ROI, this uncompromising investment in craftsmanship translates into over 15 years of worry-free service life.

Quality Control: Full-Chain Commitment from Production Line to Delivery

Quality isour insurmountable bottom line. Every Three Phase Keypad Prepaid Energy Meter (Model CA368) leaving our factory must undergo a rigorous quality control process. Beyond routine dielectric withstand and insulation tests, we have specifically introduced drop tests and high-frequency vibration tests simulating transportation environments, ensuring delicate internal circuits remain intact after long-distance ocean freight. Each unit undergoes anti-creep, three-phase unbalance response, and wideband signal testing on dedicated calibration benches, guaranteeing absolutely no false counting under no-load conditions. Through this nearly harsh screening mechanism, we prove to global clients that Legy provides not just compliant industrial products, but quality benchmarks that stand the test of time.

Buyer FAQs: Eliminating Procurement Blind Spots with Exclusive Technical Q&A

Q: Is the keypad of this three-phase wall-mounted prepaid meter waterproof and dustproof?

A: Yes, the CA368 features a highly sensitive industrial-grade membrane keypad with a special sealing treatment on the surface. The whole unit reaches an IP54 protection rating, effectively preventing dust and moisture intrusion, making it ideal for outdoor distribution boxes or humid factories.

Q: Can it be integrated into third-party Building Automation Systems (BA)?

A: Absolutely. Our CA368 supports the standard Modbus-RTU protocol, allowing you to easily integrate it into any PLC or host monitoring software compatible with this protocol for remote meter reading and data analysis.

Q: What is the MOQ if we need our company logo printed on the dial?

A: As a source factory supporting deep customization, we offer OEM services. Typically, the MOQ for screen-printed logos on small batch orders is 500 units. Please contact our sales team directly for specific lead times and exclusive quotes.

Field Applications & Real-World Case Studies

A true industrial-grade meter must prove its value in the harshest environments. In our field deployment cases, a large timber processing plant in Southeast Asia once suffered from frequent crashes and data loss with traditional old meters. After introducingour Three Phase Keypad Prepaid Energy Meter (Model CA368), thanks to our unique fully sealed dustproof base design and optimized isolation power supply, the meter achieved zero-fault operation over two years of high-load environments. On-site maintenance teams reported that the intuitive LCD display not only improved monthly inspection efficiency by 40% but also preserved all historical power consumption data intact during localized grid fluctuations. This fully demonstrates the outstanding adaptability of this model in commercial distribution and control cabinets.

 Secure Transactions & Dedicated Support

Cross-border procurement of bulk electrical equipment allows no room for error. Legy promises end-to-end transaction security. We support major international payment methods like T/T and L/C, and can provide third-party inspection services to ensure every batch of Three Phase Keypad Prepaid Energy Meters meets your acceptance criteria before shipment. Moreover, we assign a dedicated project manager to each buyer, providing one-on-one follow-up from model selection, drawing confirmation, to customs clearance document preparation. We offer an extended 18-month warranty; if any issues arise due to manufacturing defects, we will unconditionally provide free spare parts or replacements. Choosing Legy means choosing a long-term strategic partner who understands technology and honors contracts.

Product Certificate

Every product undergoes strict quality inspection and performance verification before delivery. Our electrical measuring instruments are tested by the China Quality Supervision and Inspection Center for Electrical Measuring Instruments, an authorized professional testing organization, with official Test Reports and Reliability Prediction Reports issued for product validation.

The testing covers key parameters such as measurement accuracy, electrical performance, operational stability, and product reliability. Supported by recognized certifications including CNAS laboratory accreditation and national inspection qualifications, our products are designed to provide accurate measurement, safe operation, and consistent performance in various application environments.

Through certified testing procedures and rigorous quality management, we ensure every product meets international customers' expectations for reliability and durability.

Production Details