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RS PRO Unregulated 3W 9V DC Output AC/DC Adapter Type G with 2.1 x 5.5 x 12 mm Centre Positive Connector 139-1778
Specifications
| Country of Origin | China |
|---|---|
| Brand | RS PRO |
| Power | 3W |
| Length | 56mm |
| Model | 139-1778 |
| Depth | 45mm |
| Cable Length | 1.8m |
| Width | 52mm |
| Series | RS PRO |
| Maximum Operating Temperature | 40°C |
| Sub Type | AC/DC Adapter |
| Load Regulation | ±5 % |
| Minimum Operating Temperature | -20°C |
| Plug Type | Type G |
| Number of outputs | 1 |
| Maximum Input Voltage | 240V ac |
| Output Voltage | 9V dc |
| Standards/Approvals | IEC/EN 61558 |
| Minimum Input Voltage | 230V ac |
| Output Connector Type | 2.1 x 5.5 x 12 mm Centre Positive |
| Input Connector Type | UK Plug |
| Adapter Current | 330mA |
| Energy Efficiency Level | IV |
| Regulated/Unregulated | Unregulated |
Key Features
- The adapter features a centre positive 2.1 x 5.5 x 12 mm output connector.
- Includes a 1.8 m cable for extended reach and flexibility.
- Certified to IEC/EN 61558 for safety and reliability.
- Operates with Energy Efficiency Level IV rating for reduced energy consumption.
- Designed for single output with 3W power and 9V DC voltage.
- Supports load regulation of ±5% ensuring stable performance.
- Compact dimensions and lightweight design for ease of installation.
Product Description
RS PRO 139-1778 is an unregulated AC/DC adapter providing 9V DC output at a power rating of 3W with a current output of 330 mA. The adapter is equipped with a Type G UK plug input connector and a centre positive 2.1 x 5.5 x 12 mm output connector, suitable for powering various electronic components.
With a cable length of 1.8 meters, it offers flexibility in placement for industrial, laboratory, and commercial applications where consistent DC power is required.
This adapter operates safely within a temperature range of -20°C minimum and 40°C maximum, with protection standards certified under IEC/EN 61558 and designed to meet Energy Efficiency Level IV to reduce power consumption.
The device features ±5% load regulation and ±1% line regulation to maintain steady voltage and current during operation. The input voltage range spans 230V to 240V AC at 50-60 Hz frequency, with a maximum input current of 30 mA.
Compact in size with dimensions of 56 mm (L) x 52 mm (W) x 45 mm (D), and weighing 210 grams, this RS PRO adapter is ideal for powering low-power DC devices such as desk lamps, aquarium motors, and other small electronic equipment in home and professional environments.
The adapter features a centre positive 2.1 x 5.5 x 12 mm output connector. Includes a 1.8 m cable for extended reach and flexibility. Certified to IEC/EN 61558 for safety and reliability. Operates with Energy Efficiency Level IV rating for reduced energy consumption.
Designed for single output with 3W power and 9V DC voltage. Supports load regulation of ±5% ensuring stable performance. Compact dimensions and lightweight design for ease of installation.
This RS PRO AC/DC adapter is a reliable choice for powering devices that require a regulated 9V DC power supply in industrial, laboratory, construction, HVAC, manufacturing, water treatment, agricultural, and commercial sectors.
Explore more RS PRO power supplies and AC/DC Adapters in the Electronics & Electricals category on EnvMart.
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Frequently Asked Questions
This model provides a 9V DC output with a power rating of 3W.
The adapter features a Type G UK plug input connector.
The adapter includes a 1.8 meter cable for extended reach and flexibility.
It supports a load regulation of ±5%, ensuring stable performance during operation.
The maximum operating temperature is 40°C, while the minimum is -20°C.
The input voltage range spans from 230V to 240V AC at a frequency of 50-60 Hz.
It is certified to IEC/EN 61558 for safety and reliability.
The adapter has a current output of 330 mA.
It features a centre positive 2.1 x 5.5 x 12 mm output connector.
This model operates with an Energy Efficiency Level IV rating, which helps reduce energy consumption.
This adapter is classified as unregulated.
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