1. Electricity - Electronics
  2. Power Supply
  3. Step-down converter
  4. Guangzhou Voita Electronic Technology Co., Ltd.
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Non-isolated DC/DC converter
regulatedstep-downencapsulated

Non-isolated DC/DC converter - Guangzhou Voita Electronic Technology Co., Ltd. - regulated / step-down / encapsulated
Non-isolated DC/DC converter - Guangzhou Voita Electronic Technology Co., Ltd. - regulated / step-down / encapsulated
Non-isolated DC/DC converter - Guangzhou Voita Electronic Technology Co., Ltd. - regulated / step-down / encapsulated - image - 2
Non-isolated DC/DC converter - Guangzhou Voita Electronic Technology Co., Ltd. - regulated / step-down / encapsulated - image - 3
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Characteristics

Electrical characteristics
non-isolated, regulated, step-down
Configuration
encapsulated
Applications
industrial
Other characteristics
high-current, modular, waterproof, IP67, with overcurrent protection, with overheating protection, high input voltage
Input voltage

Min.: 30 V

Max.: 90 V

Output voltage

Min.: 23.75 V

Max.: 24.25 V

Power

Min.: 120 W
(0.16 hp)

Max.: 1,440 W
(1.96 hp)

Description

Short description
Input voltage: DC72V (30V–90V). Output voltage: DC24V ±0.25V. Modular family covering 5A up to 60A outputs for industrial DC power systems.

Sizes & Weights (by output current)
5A–10A: 74 × 74 × 32 mm / 0.26 kg
20A: 100 × 80 × 38 mm / 0.5 kg
30A: 160 × 113 × 35 mm / 0.7 kg
40A–50A: 150 × 130 × 50 mm / 1.5 kg
60A: 220 × 130 × 50 mm / 3 kg

Features
  • Synchronous rectification topology for high conversion efficiency
  • Internal low-resistance capacitor filter with elevated temperature tolerance
  • Organic silicone potting for enhanced moisture protection
  • Chip-based smart protections: overheat and overcurrent protection
  • Shock, drop, moisture and dust resistance
  • High efficiency: feature spec up to 96%; typical models show ~90% conversion efficiency
  • Non-isolated input-to-output topology
  • Ingress protection: IP67 (waterproof)

Attention / Handling
1. Respect label indications during installation; do not reverse polarity (positive/negative) to avoid damage to the module or components.
2. Do not connect input and output in reverse; this will cause damage.
3. Ensure load power does not exceed the converter's maximum rated power.

Table: 72V to 24V (5A–30A)
Product name: 72V DC to 24V DC Converter
Size options: 75 × 75 × 32 mm; 100 × 80 × 38 mm; 160 × 113 × 35 mm
Output current: 5A; 10A; 20A; 30A
Output power: 120W; 240W; 480W; 720W
Weight: 0.26 kg; 0.5 kg; 0.7 kg
Input voltage: DC72V (30V–90V)
Conversion efficiency: 90% (typical)
Output voltage: DC24V ±0.25V
Overheat protection: 150℃
Operating temperature: -20℃ to 85℃
Ingress protection: IP67

Table: 72V to 24V (40A–60A)
Product name: 72V DC to 24V DC Converter
Size options: 150 × 130 × 50 mm; 220 × 130 × 50 mm
Output current: 40A; 50A; 60A
Output power: 960W; 1200W; 1440W
Weight: 1.5 kg; 3 kg
Input voltage: DC72V (30V–90V)
Conversion efficiency: 90% (typical)
Output voltage: DC24V ±0.25V
Overheat protection: 150℃
Operating temperature: -20℃ to 85℃
Ingress protection: IP67

Product matrix (models / typical output current ranges)
12V/24V to 5V: 1A–100A; 5V to 12V: 1A–20A; 24V to 12V: 1A–300A; 12V to 19V: 1A–20A; 24V to 13.8V: 1A–120A; 12V to 28V: 1A–20A; 48V to 12V: 1A–150A; 12V to 36V: 1A–60A; 48V to 24V: 1A–125A; 12V to 36V: 1A–50A; 48V to 13.8V: 1A–80A; 12V to 48V: 1A–40A; 60V/72V to 12V: 1A–85A; 12V to 56V: 1A–10A; 36V/48V to 5V: 1A–20A; 12V to 60V: 1A–10A; 60V/72V/80V to 5V: 1A–25A; 12V to 72V: 1A–5A; 100V/120V to 12V: 1A–30A; 24V to 36V: 1A–10A; 100V/120V to 24V: 1A–20A; 24V to 48V: 1A–80A; 144V to 5V: 1A–25A; 144V to 12V: 1A–30A; 144V to 24V: 1A–25A; 12V–12V: 1A–25A; 24VAC to 12VDC: 1A–10A; 13.8V to 13.8V: 1A–25A; 36VAC to 12VDC: 1A–10A; 24V to 24V: 1A–40A; 24V/12VAC to 5VDC: 1A–10A; 48V to 48V: 1A–5A

Certificates
CE / FCC / ROHS

Technical specifications
  • Family: 72V DC to 24V DC step-down converter family
  • Input voltage range: DC72V (30V–90V)
  • Output voltage: DC24V ±0.25V
  • Output current options: 5A, 10A, 20A, 30A, 40A, 50A, 60A (other ranges per matrix)
  • Output power range examples: 120W up to 1440W depending on model
  • Conversion efficiency: up to 96% (feature); commonly ~90% in typical models
  • Overheat protection threshold: 150℃
  • Operating temperature: -20℃ to 85℃
  • Ingress protection: IP67
  • Topology: synchronous rectification; non-isolated input-output
  • Packaging: organic silicone encapsulation for moisture protection
  • Protections: overheat protection, overcurrent protection; chip-based smart protection
  • Mechanical outlines & weights: multiple mechanical options depending on current rating (see sizes & weights block)

Catalogs

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.