# Relay module with optocoupler, High or Low level selectable, 1 channel, 5V

> Relay module with optocoupler, 1 channel, supply and logic voltage 5VDC, HIGH or LOW trigger level selectable via jumper, trigger current 5mA. Relay rated 250VAC/10A or 30VDC/10A, with NO, COM, NC terminals. Two LEDs indicate power and active state. Compatible with Arduino and other development boards. Dimensions: 50 x 26mm.

- Page: https://sigmanortec.ro/en/relay-module-with-optocoupler-high-or-low-level-selectable-1-channel-5v
- Price: 9.08 RON
- Availability: In stock; 1-2 zile
- Reference: 9366 · EAN: 5948372588670
- Category: Electronic components > Relays
- Specifications: Output Type Voltage: Closed-Open Contact; Input Voltage: 5VDC; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.
- Package (shipping data): 0.017 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:33 (Europe/Bucharest)

## Description

Allows safe control of AC or DC loads from Arduino and other boards, with optocoupler for isolation and stability, 5V input with HIGH or LOW level selectable via jumper, 10A 250VAC or 30VDC relay for common consumers, two LEDs for power and active status, NO COM NC terminals for quick connection.
Relay module with optocoupler for isolation, selectable High or Low level, 5V logic voltage, compatible with Arduino and other development boards.
The module has two LEDs, one green to indicate the On state and another red to indicate the Active state.
Specifications:
Supply voltage: 5VDC
Logic voltage: 5VDC
Trigger current: 5mAh
Number of channels: 1CH
Level: HIGH and LOW, selectable by jumper
Relay: 250VAC/10A, 30VDC/10A
Dimensions mm: 50 x 26mm
Interface:
DC+: 5VDC power supply
DC-: GND
IN: Trigger, signal
NO: Normally Open
COM: Commun
NC: Normally Closed