Structured Manufacturing Data (2026)

Rectifier/Charger

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Rectifier/Charger used in the Electrical Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Rectifier/Charger is characterized by the integration of Rectifier Bridge and Filter Inductor/Choke. In industrial production environments, manufacturers listed on CNFX commonly emphasize Semiconductor Diodes/IGBTs construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A dual-function component that converts AC power to DC power (rectification) and charges the battery in a UPS system.

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Product Specifications

Technical details and manufacturing context for Rectifier/Charger

Definition
The rectifier/charger is a critical component within an Uninterruptible Power Supply (UPS) system. It serves two primary functions: first, it converts incoming alternating current (AC) from the utility mains into direct current (DC) to power the inverter and other DC loads within the UPS. Second, it provides a controlled charging current to maintain and recharge the system's backup battery bank, ensuring it is ready for use during a power outage.
Working Principle
The rectifier section typically uses a bridge rectifier circuit (diodes or thyristors) to convert AC to pulsating DC, which is then smoothed by capacitors and inductors. The charger section regulates the output voltage and current using switching or linear regulation techniques to provide a multi-stage charging profile (bulk, absorption, float) suitable for the connected battery chemistry (e.g., lead-acid, lithium-ion).
Common Materials
Semiconductor Diodes/IGBTs, Ferrite/Steel Laminations (for magnetics), Electrolytic Capacitors, Printed Circuit Board (PCB), Aluminum Heat Sink
Technical Parameters
  • Rated output power of the rectifier/charger unit. (kW) Customizable
Components / BOM
  • Rectifier Bridge
    Converts incoming AC voltage to pulsating DC voltage.
    Material: Semiconductor (Silicon)
  • Filter Inductor/Choke
    Smooths the rectified DC current and reduces ripple.
    Material: Copper Wire, Ferrite/Steel Core
  • Filter Capacitor Bank
    Smooths the DC voltage and stores energy.
    Material: Aluminum Electrolyte
  • Control/PWM Circuit
    Regulates output voltage and current for battery charging stages.
    Material: Semiconductor ICs, PCB

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Rectifier/Charger.

AC-DC Converter with Charger UPS Charger UPS battery rectifier charger AC to DC rectifier charger industrial dual function rectifier charger system ferrite core rectifier charger UPS PWM controlled rectifier charger

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Uninterruptible Power Supply
View system integration details
UPS System
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: N/A (electrical component, no pressure rating)
other spec: Input Voltage: 100-240V AC ±10%, 50/60Hz; Output Voltage: 12/24/48V DC adjustable; Efficiency: >85% at full load; IP Rating: IP20 (indoor use)
temperature: 0°C to 40°C (operating), -20°C to 70°C (storage)
Media Compatibility
✓ Lead-acid batteries (VRLA/AGM) ✓ Lithium-ion batteries (LiFePO4) ✓ Gel cell batteries
Unsuitable: Explosive atmospheres (ATEX zones) or outdoor environments without proper enclosure
Sizing Data Required
  • Maximum battery bank capacity (Ah)
  • Required charging current (A) for desired charge time
  • UPS system DC bus voltage (V)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Diode thermal runaway
Cause: Inadequate cooling, high ambient temperatures, or excessive load causing semiconductor junction overheating and catastrophic failure.
Electrolytic capacitor degradation
Cause: High operating temperatures, voltage stress, or aging leading to increased ESR, reduced capacitance, and eventual short/open circuit.
Maintenance Indicators
  • Audible humming or buzzing from transformer/inductors indicating loose windings or core saturation
  • Visible discoloration or bulging of capacitors on circuit boards
Engineering Tips
  • Implement predictive maintenance through infrared thermography to detect abnormal heat patterns in diodes and capacitors before failure
  • Maintain clean, dust-free ventilation paths and monitor ambient temperature to ensure cooling systems operate within design specifications

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 Quality Management Systems IEC 61000-6-2 Electromagnetic Compatibility UL 1012 Power Units Other Than Class 2
Manufacturing Precision
  • Output Voltage Regulation: +/-1% of rated voltage
  • Ripple Voltage: < 2% of DC output voltage
Quality Inspection
  • Load Regulation Test
  • Dielectric Withstand Test

Factories Producing Rectifier/Charger

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the primary function of a rectifier/charger in a UPS system?

The rectifier/charger serves two essential functions: it converts incoming AC power to stable DC power to operate the UPS inverter, and simultaneously charges the backup battery bank to maintain readiness during power outages.

What materials ensure the durability of industrial rectifier/chargers?

Industrial rectifier/chargers use semiconductor diodes/IGBTs for efficient power conversion, ferrite/steel laminations for magnetic components, electrolytic capacitors for filtering, PCBs for control circuits, and aluminum heat sinks for thermal management to ensure reliability in demanding environments.

How does the control circuit improve rectifier/charger performance?

The PWM (Pulse Width Modulation) control circuit precisely regulates voltage and current during both rectification and charging phases, ensuring optimal battery charging profiles, power factor correction, and protection against overloads or faults.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Electrical Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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