High-Performance 1000W 28V AC‑DC Power Supply – Rugged, Fanless Industrial Module for Harsh Environments with 90% Efficiency and Comprehensive Protections

Place of Origin：China

Brand Name：SWT

Model Number：SWTAD1K-1M

Price：Please Contact Customer Service

Product Description

1. Main Functions

Converts input AC220V power to output DC+28V, features EMI filtering,

overcurrent, and short-circuit protection.

2. Main Specifications

2.1. Input Voltage: AC220V (90V~ 264V);

50Hz (45Hz~ 420Hz);

2.2. Output Voltage: DC+28V, 40A

Efficiency: ≥ 90%;

Voltage Regulation: ≤1%;

Current Regulation: ≤1%;

Load Regulation: ≤1%;

Ripple Peak - to - Peak: ≤150mV;

Features overvoltage, overcurrent, overtemperature, and short - circuit

protection;

Output Voltage Accuracy: ±1%.

2.3. Withstand Voltage Characteristics

Input to Case: DC1000V ≥ 200MΩ;

Output to Case: DC250V ≥ 200MΩ;

2.4. Cooling Method: Conduction cooling;

3. Structural Requirements

a) Weight: ≤1.7--2kg;

b) Dimensions: Specific dimensions 220 mm × 180mm × 88mm (excluding

connector sockets);

c) The external surface of the module shall undergo green electrophoretic coating

process; the internal components shall undergo conformal coating.

d) Reference appearance as shown in the figure below:

4. Connector Models and Interface Definitions

4.1. Hardware Interface

a) Connector Models：Y50DP-1403ZJ10P1 (XS01)、

MS3102E-22- 2S-622-9(XS02).

b) Interface Definitions:

Table 1 Y50DP-1403ZJ10P1 Socket Pin Definition

No.	Model	Pin No.	Pin Definition	Signal Name
XS01	Y50DP-1403ZJ10P 1	1	AC220V（L）	AC220V Input
		2	AC220V（N）
		3	Ground

Table 2 Y50DP-1403aZJ10P1 Socket Pin Definition

No.	Model	Pin No.	Pin Definition	Signal Name
XS02	MS3102E-22- 2S-622-9	1	Ground	DC24V Output
		2	DC24V（+）
		3	DC24V（地）

5. Environmental Suitability Requirements

5.1. Environmental Stress Screening

Environmental Stress Screening tests shall be performed in accordance with

MIL-STD-810G.

5.2. Temperature

a) Operating Temperature: -40℃ ~ +70℃;

b) Storage Temperature: -55℃ ~ +85℃;

c) Relative Humidity: 20% ~ 98% (35℃);

5.3. Vibration

The module shall operate normally under sea state conditions up to and

including Level 4, meet Level 3 road transport requirements during vehicle transportation.

5.4. Shock

The power supply shall be equipped with labels indicating product model,

input/output characteristics, serial number, manufacturer, and other relevant

information. The power module must undergo conformal coating, screening, and temperature testing before leaving the factory. The unit under test shall show no rust, mildew, cracking, scratches, or mechanical damage during testing.

If the unit under test fails during testing integrated with the main equipment

or system, Party B shall cooperate with Party A in fault diagnosis and isolation. If the fault is determined to originate from Party B's product, Party B shall be

responsible for implementing corrective actions.

6. Product Warranty Period

6.1. Warranty Period

The warranty period is 1 year (starting from the date of product delivery to

the end user). During the warranty period, the manufacturer shall ensure safe operation, provide on-site technical support, and promptly resolve any

malfunctions.

6.2. Acceptance Requirements

Products delivered shall be factory inspected and qualified.