5V relay module with optocoupler isolation
5V relay module with optocoupler isolation
5V relay module with optocoupler isolation
5V relay module with optocoupler isolation
5V relay module with optocoupler isolation
  1. 5V relay module with optocoupler isolation
  2. 5V relay module with optocoupler isolation
  3. 5V relay module with optocoupler isolation
  4. 5V relay module with optocoupler isolation
  5. 5V relay module with optocoupler isolation

5 V Relay Module with Optocoupler, 1 / 2 / 4 / 8 Channels

From $5.99

5 V relay boards with optocoupler isolation and a jumper for high- or low-level trigger. Screw terminals for COM, NO, and NC on each channel. Choose 1 channel (pack of two), 2, 4, or 8 channels.

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SKU: KYM-DT-RLY5V Category:

Relay boards let a 3.3 V or 5 V microcontroller switch a separate load circuit. Each channel has an indicator LED and a flyback diode.

Specifications

  • Coil supply: 5 V DC
  • Trigger: High or low level, selected by jumper; 3.3 V logic works on most boards
  • Isolation: Optocoupler on each input
  • Contacts: COM, NO, NC screw terminals per channel
  • Contact rating (relay marking): 10 A at 250 VAC or 30 VDC
  • Board size: 1 ch about 51 × 25.5 mm; 2 ch 51 × 45.8 mm; 4 ch 73 × 50 mm; 8 ch 142 × 50 mm

Typical uses

  • Switching low-voltage DC loads such as lamps, pumps, and fans
  • Home-automation and IoT prototypes
  • Test fixtures and bench automation

These are open-frame development boards, not certified mains equipment. Switching mains voltage needs an enclosure, fusing, and wiring by a qualified person.

Ordering notes

  • Ships within 5 business days after payment.
  • Shipping: USD 15 per order worldwide, free from a USD 79 merchandise subtotal. See Shipping.
  • Need a larger quantity, a different version, or a custom carrier board? Request a quote.
Channels

1 channel × 2, 2 channels, 4 channels, 8 channels

Related products

Kymopsis — RF & mmWave components, radar kits, and engineering services.
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