4 channel solid state relay (SSR) module

Module interface:
DC +: positive power supply (power supply voltage by relay)
DC -: negative
CH1: 1 relay module signal triggering end
CH2: 2 relay module signal triggering end
CH3: 3 relay module signal triggering end
CH4: 4 relay module signal triggering end

Technical Specifications:

• 5V solid state relays 240V 2A, output with resistive fuse 240V 2A.
• 2.54cm pin and blue KF301 terminals to the control line is more convenient.
• The input power supply: 5V DC (160MA)
• The input control signal voltage: 0-2.5V low state relay OFF; 3.3-5V high state relay OFF
• Size: 57 x 55 x 20 mm(L x W x H)