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Fail Safe Electric Bolt W/Signal & Time
YB-800A to prevent the damage of the lock caused by the improper locking position. To align the position of the magnetic plate and the bolt in a short time, which can reduce the relock time of the electric bolt.YB-800A is an Fail Safe electric bolt with all-metal construction.with 304 stainless steel solid bolt and 2000kg holding force. The Door signal is NC.It can operate at the temperature of 60 ℃ or -40℃ below zero based on the all-metal linkage parts. With the diversified design of durable magnetic valve, special photoelectric control system, ultra-low temperature and power consumption design, anti-intrusion and smart circuit.
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Product Parameter Parameter Description
Feature Fail Safe
Lock Body 220Lx34Wx38H(mm)
Magnetic Plate 105Lx25Wx3H(mm)
Bolt 16(length) * 16(diameter)(mm)
Voltage 12VDC±1 0 %
Start Current 1200mA
Standby Current 200mA
Signal Output Door signal: NO/COM
Suitable For Wooden door, metal door, fireproof door, glass door
Detection Distance Within 8mm
Material 304 stainlesssteel , wire draw finishing
Weight 1.0kg


Low Temperature, safe & Durable.
Low Power, Environmental Protection.
Special photoelectricity control,three steps current application.
Long Life  with 500000 Operations.
MOV Provides Reverse Current Protection.
Superior Strength Aluminium Alloy,Solid Stainless Steel Bolt.
Autolock Time Delay: 0,3,6,9sec.
Lock signal:NO/NC/COM;Door signal:NO/COM.
Double protection for loading current.
Auto-relock if no Action within 5 secs.
Photoelectricity Control,Low Temperature,
  A:The  Low Current is Changed immediately;
  B:When door frame doesn`t coincide with door leaf ,door leaf against the bolt,then the electric bolt will start the low-power function to bring low temperature.
  C:The Photoelectricity Control Technology,prevent the machanical defect.



Warranty Service will be honored if the damage is not caused by human, YLI Provides 2 years warranty for relative products. On the contrary, YLI will charge extra if repair. More information, please browse our service center.

YLI Company retains right to modify the specification of products, and for parameters amendment of products, we will not inform in advance. The relative pictures are not allowed to used in any other way without the consent of YLI Company. Meanwhile, we reserved all the rights of law for any tangle.

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Professional electric locks manufacturers-YLI ElecAll rights reserved,Email:yli@yli.cn