ROAX RH-K3W Small power supply under the switch

Code: LA121092A LA121092B LA121092C Choose variant
€4,06 €3,36 excl. VAT
In stock (32 pcs) In stock (40 pcs) In stock (48 pcs) Choose variant
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09/12/2025 09/12/2025 09/12/2025 Choose variant

The small built-in ROAX RH-K3W power supply module is ideal for installation in a standard electrical installation box under a switch or socket.

Detailed information

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Product detailed description

The small built-in ROAX RH-K3W power supply module is ideal for installation in a standard electrical installation box under a switch or socket. This compact power supply allows you to power small electronic circuits directly from 230V AC with a stabilised voltage output of 3.3V, 5V or 12V depending on the selected variant. Thanks to the isolated switched-mode converter, the module is safe and suitable for various DIY projects, smart homes and lighting automation.

Specifications:

  • Model: ROAX RH-K3W
  • Input voltage: 85–265V AC (50/60Hz)
  • Output voltage (variants):
    • 3.3V DC – max. 0.9A
    • 5V DC – max. 0.6A
    • 12V DC – max. 0.25A
  • Output power: 3W
  • Output ripple: <150mV
  • Output accuracy: ±1%
  • Voltage regulation: ±1%
  • Load regulation: ±1%
  • Turn-on overshoot: 10%
  • Isolation voltage: ≥1500V AC
  • Protections: against short circuit and overload
  • Operating temperature: -20°C to +60°C
  • Dimensions: 37 × 27 × 22 mm
  • Mounting: installation into an electrical installation box

Package contents:

  • 1× ROAX RH-K3W power supply module (selected voltage variant)

Comment:

  • This product is not a standalone functional unit and may require professional installation.
  • Product photos are for illustrative purposes only and may differ slightly from the actual appearance. However, this does not change their basic properties.

Additional parameters

Category: AC-DC Power Supply
Warranty: 2 years
Output voltage fixed: 3.3V, 5V, 12V
Max. output current: To 1A
Constant current function: ne
Input voltage max.: 230V(AC)
Input voltage min.: 50-110V (AC)
Max. Power: Up to 3W, 3-5W

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