Description
The Chinfa DBR30-24 is a compact DIN rail battery charger designed for charging and maintaining 24V lead-acid battery systems used in industrial automation, control panels and standby power applications. It delivers a regulated 27.2VDC charging output at up to 1.3A with a maximum output power of 35W.
A universal 90–264VAC input together with a 120–375VDC input range allows the DBR30-24 to be installed worldwide without manual voltage selection. Its compact housing, natural convection cooling and DIN rail mounting make it ideal for industrial control cabinets.
Integrated reverse battery protection, short-circuit protection and an internal EMI filter help ensure reliable operation in demanding industrial environments.
Chinfa DBR30-24 24V 1.3A DIN Rail Battery Charger
A compact 35W industrial charger for 24V lead-acid batteries used in backup and standby power systems.
Typical Applications
- Industrial control panels
- PLC backup systems
- Security and alarm equipment
- Access-control systems
- Telecommunications equipment
- 24V standby battery charging
Reliable Float Charging
The DBR30-24 provides a regulated 27.2VDC output suitable for charging and maintaining 24V lead-acid batteries, extending battery service life while providing dependable standby operation.
Universal Input
The charger accepts 90–264VAC or 120–375VDC input, making it suitable for global industrial installations.
Compact DIN Rail Design
The slim enclosure mounts directly onto a standard 35mm DIN rail and is cooled by natural convection with no fan maintenance required.
Key Features
- Product type: DIN rail battery charger
- Battery type: 24V lead-acid
- Input: 90–264VAC or 120–375VDC
- Charging voltage: 27.2VDC
- Charging current: 1.3A maximum
- Maximum output power: 35W
- Typical efficiency: 86%
- Protections: Short circuit and reverse battery polarity
- Cooling: Natural convection
- Mounting: 35mm DIN rail
- Dimensions: 91 × 90 × 57mm
- Warranty: 3 years
- Country of origin: Taiwan
Technical Specification
| Manufacturer | Chinfa Electronics |
|---|---|
| Model Number | DBR30-24 |
| Battery Type | 24V lead-acid |
| AC Input | 90–264VAC |
| DC Input | 120–375VDC |
| Frequency | 47–63Hz |
| Output Voltage | 27.2VDC |
| Output Current | 1.3A |
| Output Power | 35W |
| Efficiency | 86% typical |
| Isolation | 3000VAC input to output |
| Protection | Short circuit and reverse battery polarity |
| Operating Temperature | -40°C to +51°C |
| Cooling | Natural convection |
| Mounting | 35mm DIN rail |
| Dimensions | 91 × 90 × 57mm |
| Weight | Approx. 270g |
| Warranty | 3 years |
Available Model
| Model Number | Input Voltage | Output Voltage | Output Current | Power Rating |
|---|---|---|---|---|
| DBR30-24 | 90–264VAC / 120–375VDC | 27.2VDC | 1.3A | 35W |
Technical Support from Relec Electronics
Din Rail Power, part of Relec Electronics, can assist with battery charger selection, backup power design and industrial power solutions. Visit Relec Electronics for technical support.




