The lock works as the circuits disconnects, and it will as the instant power-on. The red and black wires are the power cables of the electromagnetic lock, regardless of the positive and negative poles.
eBay
Makita Brushless DTW700 Electric Impact Wrench Cordless Electric Wrench 1/2 inch for Makita 18V Battery Screwdriver Power Tools
Aliexpress UK
Made of high-strength aluminum alloy material: Crafted from aluminum alloy w ith a exterior sandblasting process, this electric lock exhibits excellent texture, resistance, anti-slip properties, and enhanced durability.
eBay
Makita DTD173 Brushless Electric screwdriver 36700rpm Impact Driver 180Nm Electric Drill For Makita 18V Battery(No Batter)
Aliexpress UK
1 Electric bolt lock. Lock Way: Fail-Safe: for Unlock When power OFF, Lock when power ON. Lock Type: Magnetic Sensor. Sensitively and for response quickly. for Install on the Door. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
12/16-Inch Cordless Mini Li-Ion Electric Chainsaw Portable Electric Saw Compatible with 21V for Makita Battery (NO Battery)
Aliexpress UK
This ensures dependable function. Fail Safe NC Mode: This lock features a Fail Safe NC mode, where power is removed to unlock for enhanced security. When power is applied, a red light indicates an unlocked state, while a green light signifies the lock is engaged.
eBay
For Dyson V7 V8 V10 V11 V15 Electric Roller Brush Head,Floor Brush Head, Electric Suction Head, Floor Carpet Roller Brush Parts
Aliexpress UK
PICK UP OPTION. Pick up procedure is as follows Buy now and save! NetVu UPXA/16/E1 UPXA/16/E1 NVR. You might also like.
eBay
Bosch Professional Cordless Electric Drill GSR120-LI 12V Multi-Function Driver Electric Screwdriver Power Tool (Bare Tool)
Aliexpress UK
The lock works as the circuits disconnects, and it will unlock as the instant power-on. In the anti-theft and shockproof design, the lock is better than other kinds of locks. The red and black line is the power cord of the electromagnetic lock, regardless of the positive and negative poles.
eBay
Dewalt DCD800 2000RPM Cordless Impact Drill 1/2 Inch Brushless Electric Screwdriver Lithium Electric Tool For Dewalt 18V Battery
Aliexpress UK
NC Mode: Fail-safe type, Power-off unlock, when the power is turned on, the red light indicates unlocking and the green light indicates lock. Fail-safe mode, power-on lock, power-off unlock.
eBay
21V40Ah NEW high quality universal Li-ion backpack battery Built BMS For lawn mower electric wrench electric angle grinder hamme
Aliexpress UK
This is a new NC/Fail-Safe Electric drop bolt lock, you can install it on the surface of your door easily. When power off, it will unlock, when power on, it will lock. Main Features of Electric Dorp Bolt Lock.
eBay
PXNBMB Weed Trimmer Lawn Electric Brushles 2-in-1 Cordless String Grass Trimmer Cutter Electric Lawn Mower for Yard Garden Tools
Aliexpress UK