Name: 12V 1-Channel Low Level Trigger Relay Module
Brand: diymore
SKU: PERMA55B
Price: 1.16 USD
Availability: OutOfStock

12V 1-Channel Low Level Trigger Relay Module

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SKU:

PERMA55B

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Description

Features:

CATEGORY	SPECIFICATIONS
Product Name	1-Channel Relay Control Module
Device Type	Microcontroller-compatible relay switching module
Control Voltage (VCC)	12V DC
Control Interface	IN (signal input), VCC (power), GND (ground), COM (control ground)
Control Current Requirement	≥ 4 mA
Trigger Modes	High-level trigger / Low-level trigger (configurable logic)
Relay Output Type	Normally Open (NO) / Normally Closed (NC) / COM switching contact
Load Switching Capability	DC loads and AC loads (including 220V AC appliances)
Maximum Load Type	High-voltage AC control (e.g., 220V appliances)
Isolation Feature	Isolation groove between control and load sections
Indicator LEDs	Power indicator + relay status LED (ON when active, OFF when inactive)
Relay Behavior	Switches ON/OFF when input signal is received
Contact Type	Permanent open/close relay contacts
Terminal Type	Blue KF301 screw terminals for wiring
Wiring Convenience	Easy connection for access control and microcontroller systems
Size	41 × 16 × 16 mm
Weight	~12 g
Application Type	Home automation, industrial control, microcontroller projects, appliance switching
Supported Systems	Arduino, STM32, AVR, PLC, embedded systems
Safety Feature	Physical separation (isolation groove) between high/low voltage sides
Trigger Logic Explanation	High-level: signal to VCC triggers; Low-level: signal to GND triggers
Installation Notes	Allow 1–3 mm tolerance due to manual measurement