DIN RAIL SWITCHING POWER SUPPLY

DR-75

75.6–76.8W DIN Rail Switching Power Supply

Industrial DIN rail AC/DC switching power supply available with 12V, 24V and 48V DC output versions for industrial control, automation systems, control cabinets and electrical equipment.

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75.6–76.8W Rated Power Range

12–48V Output Voltage Options

85–264VAC AC Input Range

Up to 81% Efficiency

55 × 125.2 × 100 mm Overall Dimensions

PRODUCT OVERVIEW

DR-75 DIN Rail Power Supply

The DR-75 Series provides three DC output voltage versions: 12V, 24V and 48V. Rated output power ranges from 75.6W to 76.8W depending on the selected model.

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Universal AC Input

85–264VAC or 120–370VDC input range.

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Three Output Versions

12V, 24V and 48V DC output options.

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DIN Rail Design

Industrial enclosure designed for DIN rail cabinet installation.

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Built-in EMI Filter

Built-in EMI filter for reduced ripple and interference.

OUTPUT SPECIFICATIONS

DR-75 Model Range

Electrical output specifications for each available voltage version.

Specification	DR-75-12	DR-75-24	DR-75-48
DC Voltage	12V	24V	48V
Output Voltage Tolerance	±2%	±1%	±1%
Rated Current	6.3A	3.2A	1.6A
Current Range	0–6.3A	0–3.2A	0–1.6A
Ripple & Noise	100mVp-p	200mVp-p	480mVp-p
Line Regulation	±0.5%	±0.5%	±0.5%
Load Regulation	±1%	±1%	±1%
Rated Power	75.6W	76.8W	76.8W
Efficiency	76%	80%	81%
Voltage Adjustment Range	10.8–13.2V	21.6–26.4V	43.2–52.8V
Overvoltage Protection	13.8–16.2V	27.6–32.4V	58–62V

TECHNICAL DATA

General Specifications

Input

Voltage Range 85–264VAC / 120–370VDC

Frequency Range 47–63Hz

AC Current 1.8A / 115VAC, 0.9A / 230VAC

Inrush Current 30A / 115VAC, 60A / 230VAC, cold start

Leakage Current < 1mA / 240VAC

Timing

Start / Rise / Hold Time 1000ms / 60ms / 50ms at 230VAC

Environment

Working Temperature / Humidity -10°C to +60°C, 20–95% RH

Storage Temperature / Humidity -20°C to +85°C, 10–95% RH

Temperature Coefficient ±0.03% / °C (0–50°C), on +5V output

Vibration 10–500Hz, 2G, 10 min/cycle; X, Y and Z axes, 60 min each

Safety & Mechanical

Withstand Voltage I/P–O/P: 1.5KVAC;
I/P–FG: 1.5KVAC;
O/P–FG: 0.5KVAC

Isolation Resistance 100MΩ / 500VDC

Dimensions 55 × 125.2 × 100 mm

Weight / Packaging 0.55kg;
20pcs / 14kg / 1.1CUFT

Safety Standards

Safety Norms Meets the requirements of UL1012 (do not apply for marking)

Design Features

Cooling Natural convection cooling

Construction Compact size and lightweight design

EMI Filter Built-in EMI filter

Burn-in Test 100% full-load burn-in test

Compliance Meets FCC Part 15J Condition Grade B

PROTECTION

Built-in Protection Functions

Overload Protection

Protection operates at approximately 105%–150% of rated output power. Foldback power limiting protection is used. The power supply automatically restores operation after the abnormal load condition is removed.

Overvoltage Protection

Overvoltage protection levels are 13.8–16.2V for DR-75-12, 27.6–32.4V for DR-75-24 and 58–62V for DR-75-48.

Short Circuit Protection

Built-in short-circuit protection helps protect the power supply and connected equipment under abnormal output conditions.

MECHANICAL DIMENSIONS

DR-75 Dimension Drawing

DIN rail enclosure and mounting dimensions.

Overall Size: 55 × 125.2 × 100 mm

DIMENSIONS IN MILLIMETERS

APPLICATIONS

Typical Applications

Industrial Control DIN rail DC power for industrial control equipment.

Control Cabinets Power supply for electrical and automation panels.

Automation Systems 12V, 24V and 48V DC power for automation equipment.

Industrial Equipment Compact DIN rail power for electrical machinery and systems.

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