| 型號 |
鎖體尺寸 (mm) |
鐵板尺寸 (mm) |
工作電壓 |
消耗電流 |
特色 |
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260x30x48 |
100x25x3 |
12~28 VDC |
1A 12~28 VDC |
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260x30x48 |
100x47.4x1.5 |
12~24 VAC/DC |
1A/12VDC |
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260x30x73 |
100x46x1.5 |
12~24 VAC/DC |
1A/12VDC |
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陽極鎖可以說是門禁控制系統最常使用的鎖具,任何型式的門都可以直接安裝使用,崁入式的安裝方式不會破壞整體門框的美感,而且適用於180度內外開式門的特質。依照需求與門框樣式選擇不同類別的陽極鎖與其選配件。
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雙向開式門
陽極鎖專為 180 度內外皆可雙向門設計 ,當然向內開式門或是向外開式門皆可以安裝。
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適合全無框玻璃門
陽極鎖針對全無框玻璃門 / 玻璃牆的使用特別選配U-型玻璃夾具,適用10~13mm厚度的玻璃門。
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防入侵電路設計
鎖舌完全上鎖後 ,就自動切斷磁簧的偵測功能,避免人為去截斷感應磁鐵與鎖體內部磁簧的感應,使電鎖產生錯誤動作而跳開。
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智慧型邏輯電路設計
獨創的智慧型邏輯電路設計(logical circuitry) 偵測上鎖狀態是否正確,否則自動重新再啟動上鎖動作,如此可以防止因為門扇歸位不正無法上鎖的窘境。
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截電電路設計
鎖舌完全上鎖後 ,電流由「啟動」模式的 0.9A 降為「一般」模式的 0.3A ,延長陽極鎖的使用壽命。
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自動上鎖延遲時間
用 jumpers 可調整 1~9 秒的自動上鎖延遲時間,可以修正門位歸位後到完全靜止的時間差。
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可以水平或垂直安裝
本公司的陽極鎖系列皆可以水平安裝在門框頂部,或垂直安裝在門框側邊或是門扇側邊 ( 見安裝圖示 ) 。
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可調式感應磁鐵板
特製強力感應磁鐵感應距離最大約 5 mm ,加上可調式磁鐵可以修正因為門縫過大而無法感應到鎖體內磁簧的問題。
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| Model |
Operating Voltage |
Holding Force
(lbs) |
Mounting Type |
Door Type |
Door Swing |
Remarks |
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12/24 VDC |
600 |
Surface |
Single |
Outswing |
With L-NH300 bracket for narrow door frames
With LZ-NH-300N bracket for Inswing door
With UBK-013 bracket for frameless glass outswing door
UBK-300with LZ-300 bracket for full glass door and full glass wall
UBK-300-2 with LZ-NH300 bracket for frameless glass inswing door
EM-NH300M
(Bond sensor output) |
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12/24 VDC |
600x2 |
Surface |
Double |
Outswing |
With L-NH2300 bracket for narrow door frames
With LZ-NH-2300N bracket for Inswing door
With UBK-013 bracket for frameless glass outswing door
UBK-300-2 with LZ-NH300 bracket for frameless glass inswing door
EM-NH2300M
(Bond sensor output) |
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12/24 VDC |
800 |
Surface |
Single |
Outswing |
With L-NH350M bracket for narrow door frames
With LZ-NH-350N bracket for Inswing door
With UBK-013 bracket for frameless glass outswing door
EM-NH350M
(Bond sensor output) |
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12/24 VDC |
800x2 |
Surface |
Double |
Outswing |
With L-NH2350M bracket for narrow door frames
With LZ-NH-2350N bracket for Inswing door
With UBK-013 bracket for frameless glass outswing door
EM-NH2350M
(Bond sensor output) |
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12/24 VDC |
1200 |
Surface |
Single |
Outswing |
With L-NH500 bracket for narrow door frames
With LZ-NH500N/LZ-NH500NAU bracket for Inswing door
EM-NH500M
(Bond sensor output)
EM-NH500TD
(Relock Time Delay)
EM-NH500M-BZ
(Bond sensor output & Buzzer Alarm)
EM-NH500MTD
(Bond sensor output & Relock Time Delay)
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12/24 VDC |
1200x2 |
Surface |
Double |
Outswing |
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"L" Brackets (With L-bracket for
narrow door frames)
The “A” value in the table below for each bracket to mount on the door frame, shows the minimum requirement width of the door frame for different electromagnetic lock model. |
Magnet Grade |
Value”A" |
Option Brackets |
Micro series |
38mm |
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Mini series |
42mm |
L-300, L-10001ST, L-GL600...
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Midi series |
48mm |
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Standard series |
60mm |
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Micro series
(300 lbs) |
Mini series
(600 lbs) |
Midi series
(800 lbs) |
Standard series
(1200 lbs) |
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| "LZ" Brackets (Surface mount magnet with LZ-bracket for inswing door frames) |
Micro series
(300 lbs) |
Mini series
(600 lbs) |
Midi series
(800 lbs) |
Standard series
(1200 lbs) |
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LZ-NH500NAU (For EM-NH500) |
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| "Z" Brackets (Face mount magnet with Z-bracket for inswinging door frames) |
Micro series
(300 lbs) |
Mini series
(600 lbs) |
Midi series
(800 lbs) |
Standard series
(1200 lbs) |
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| "U" Brackets (With U bracket for frameless glass doors) |
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UBK-013
- For Midi and Mini series magnet.
- Suitable for use with frameless outswing glass doors.
- UBK-013 (10~12mm glass max.)
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MG-300LZ
- For EM-150
- Suitable for use with frameless glass doors and the glass wall.
- The glass thickness is 13 mm maximum.
- After the door installs with the U-bracket, the door will become a single swing (inswing doors)
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GLZ-150
- For 10003S
- Suitable for use with frameless glass door and a inswing doors.
- The glass thickness is 10 mm
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UBK-300
- For 10001 series
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Suitable for use with frameless glass doors and the glass wall, After the door installs with the U-bracket, the door will become a single swing (inswing doors) door.
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The glass thickness is 13 mm maximum
- The right diagram shows the LZ-300 bracket
installation instructions
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The bracket is installed on wood or used in wide door leaf for armature plate. |
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GE-320M
- For midi series (600 lbs) magnet
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GE-320S
- For standard series (1200 lbs) magnet
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AB-600
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For mini series (600 lbs) magnet
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Material: Iron
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Special Brackets
The new special styling bracket enables more aesthetic for the doors. |
Mini series
(600 lbs) |
Midi series
(800 lbs) |
Standard series
(1200 lbs) |
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Electromagnetic locks are designed to take advantage of the physics behind electromagnetism. An electromagnetic lock comprises two main parts, an armature plate made of a magnetic material and a metal plate surrounded by a coil of wire which can be magnetized. When current is passed though the coil, the metal plate becomes magnetized and strongly attracts the armature, locking the door. |
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Electromagnetic locks are high performance. For example, our 10010 series of electromagnetic locks, with a maximum holding force of 540kg ( 1200lbs ), only use 1.8W of power to produce up 240kg ( 530lbs ) of holding force. |
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The holding force capability of each of our electromagnet locks is tested in a collinear load test . The electromagnet lock is loaded in a rig with power being supplied so that the electromagnet strongly attracts the armature plate. Then force is slowly applied to try to separate the armature plate. Eventually the mechanical pulling force will overcome the magnetic force and allows us to rate the strength of our electromagnets. |
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This figure shows the relationship between voltage and holding strength. Voltage is proportional to power consumption when the current is fixed. Holding force is proportional to voltage until holding force reaches a maximum. At this point, further increasing power consumption will not increase holding strength.
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Electromagnet locks are protected by a layer of epoxy potting compound which ensure a long life for the lock. The lock itself is strong and rigid. All the advantages of electromagnet locks have made them very popular, becoming the most widely installed type of electric lock used by security engineers. |
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Electromagnet locks use magnetic force and do not require a mechanical bolt to remain locked. This makes them very suitable for emergency and fire exits. In case of an emergency, electromagnet locks can be made to automatically open, with no concerns over the door not being able to open due to mechanical failure.
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Advantages of GEM's Magnet |
Over the years, we have invested our efforts into designing and improving our electromagnetic locks. We are proud of our market leading products with high manufacturing standards and well thought designs. We will continue to provide superior quality electromagnetic locks to our customers with the following features:
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Excellent quality: With over a decade of experience in this field, we have the necessary skills and innovative machinery to enhance productivity and ensure the consistently high manufacturing quality of our electromagnetic locks. |
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International Security Standard : GEM and all our suppliers are IECQ QC 080000 certified. This means all our raw materials and finished products meet the EU's RoHS directive. Amongst other hazardous substances, our products are free from lead and mercury which we test for the presence of using our own X-Ray fluorescence spectrometer. |
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Suitable for Harsh Environment : During product development, all our electromagnetic locks are rigorously tested in our laboratory's temperature and humidity chamber to ensure that they can be used in different environments. |
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Optional Features : Optional Features: Our indoor electromagnetic locks series have a wide range of optional features such as Bond Sensor, Relocking Time Delay, Door Position Status and such. |
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Anti-residual magnetism(ARM) designedOur electromagnetic locks feature ARM which ensures the door can be opened without any resistance from left over magnetism imparted to the armature plate. |
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Product Range : Our electromagnetic locks are available in a range of holding forces from 80 lbs to 1800 lbs for sliding doors or swinging doors, indoor or outdoor, to meet your specific requirements. |
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Patent and Security Standards: All our electromagnetic conform to health, safety and environmental requirements laid down by the European CE, the German TUV and the American UL, ensuring consumer safety. Some of our products have also received patents from key countries. |
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Bracket Range : Our electromagnetic locks can be used with our wide range of mounting brackets suitable for different applications. |
How to Use Electromagnetic Lock |
There are some suggestions and recommendation allows you to install its functionality: |
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The electromagnetic lock requires a face to face fitting as shown in Figure. Otherwise, the holding force will be decreased (direction of hydraulic press pull must be colinear). |
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Install the electromagnetic lock and armature plate in the special test clamp which is designed for a Colinear pull-off test. (the lock / clamp assembly is shown in figure). The Armature plate direction of hydraulic press pull must be "Colinear", and armature plate to be centered on core. |
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All electromagnetic locks are "fail safe", therefore it may be required the UPS (Uninterruptible Power Supply) to remain locked during the power failure. |
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The electromagnetic locks are suitable for out-swing door and inswing door applications. For inswing door applications, the locks should be fitted with "LZ "or "Z" brackets. |
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Do not tighten the armature against the door leaf . Put one rubber washer between the armature and the door leaf . This will allow the armature and magnet in order to accommodate normal door and frame movement and lock will work effectively between armature and the door leaf . |
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Make sure the contact surfaces of the electromagnetic and armature plate are clean and free from dust. It is important to make sure the armature plate and the electromagnet align as closely as possible to ensure efficient operation of the electromagnet lock . |
Trouble Shooting
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Problem |
Possible Cause |
Solution |
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- Check to make sure the wires are securely tightened to the correct terminal block.
- Check that the power supply is connected and operating properly.
- Make sure the lock switch is wired correctly.
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- The door locks, but can be easily forced open
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- Poor contact between electromagnetic and armature plate
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- Make sure the lock switch is wired correctly.
- Do not tighten the armature against the door leaf.
- Make sure the electromagnetic and armature plate are properly aligned.
- Make sure the contact surfaces of the electromagnetic and armature plate are clean and free from dust.
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- Low voltage or incorrect voltage setting
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- Ensure the electromagneticic lock is set for the correct voltage.
- Check for proper voltage at the electromagneticic locks input. If low, determine if the correct wire gauge is being used to prevent excessive voltage drop.
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- Sensor output is not functioning
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- A secondary diode was installed across the electromagnetic
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- Remove any diode installed across the magnet for "spike"
suppression. (The magnet is fitted with a metal oxide varistor to prevent back EMF).
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- Misalignment between the reed switch and its magnet
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- Check the installation of armature with supplied template.
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- Voltage Selection jumpers :Check jumper settings before connecting the lock to 24 VDC input power. Damage to the lock may result from incorrect jumper settings.
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Distance in feet from power source to farthest locking device
Minimum Wire Gauge for 12 VDC |
AMPS |
25f |
50f |
75f |
100f |
150f |
200f |
250f |
300f |
400f |
500f |
1000f |
0.25A |
18 Gauge |
18 Gauge |
18 Gauge |
18 Gauge |
18 Gauge |
16 Gauge |
16 Gauge |
14 Gauge |
14 Gauge |
12 Gauge |
-- |
0.50A |
18 Gauge |
18 Gauge |
18 Gauge |
16 Gauge |
16 Gauge |
14 Gauge |
12 Gauge |
-- |
-- |
-- |
-- |
0.75A |
18 Gauge |
18 Gauge |
16 Gauge |
14 Gauge |
12 Gauge |
12 Gauge |
-- |
-- |
-- |
-- |
-- |
1.00A |
18 Gauge |
16 Gauge |
14 Gauge |
14 Gauge |
12 Gauge |
-- |
-- |
-- |
-- |
-- |
-- |
1.50A |
18 Gauge |
14 Gauge |
12 Gauge |
12 Gauge |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
2.00A |
16 Gauge |
14 Gauge |
12 Gauge |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
| Minimum Wire Gauge for 24 VDC |
AMPS |
25f |
50f |
75f |
100f |
150f |
200f |
250f |
300f |
400f |
500f |
1000f |
0.25A |
18 Gauge |
18 Gauge |
18 Gauge |
18 Gauge |
18 Gauge |
18 Gauge |
18 Gauge |
18 Gauge |
16 Gauge |
16 Gauge |
16 Gauge |
0.50A |
18 Gauge |
18 Gauge |
18 Gauge |
18 Gauge |
18 Gauge |
16 Gauge |
16 Gauge |
14 Gauge |
14 Gauge |
12 Gauge |
-- |
0.75A |
18 Gauge |
18 Gauge |
18 Gauge |
18 Gauge |
16 Gauge |
14 Gauge |
14 Gauge |
12 Gauge |
12 Gauge |
-- |
-- |
1.00A |
18 Gauge |
18 Gauge |
16 Gauge |
16 Gauge |
14 Gauge |
14 Gauge |
12 Gauge |
12 Gauge |
-- |
-- |
-- |
1.50A |
18 Gauge |
18 Gauge |
16 Gauge |
14 Gauge |
14 Gauge |
12 Gauge |
-- |
-- |
-- |
-- |
-- |
2.00A |
16 Gauge |
16 Gauge |
14 Gauge |
14 Gauge |
12 Gauge |
-- |
-- |
-- |
-- |
-- |
-- |
Operating Features
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Door Held Open Alarm: 10002BZ , 10020BZ , 10040BZ... build-in buzzer alarm depending on the "VR timer adjust". The buzzer alarm with adjustable time from 1~ 80 seconds. If the timer alarm is set to go off in 5 seconds, but the door remains open for more than 5 seconds, then an audible alarm will continue to sound until the door have been close correctly.
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Relocking timer : The electromagneticic lock will automatic unlock internally after the triggers connects to each other. The timer for the door to relock depends on the "VR timer adjust" from 1 ~ 80 seconds.( 10001TD , 10002TD ,10010TD ...)
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Door status sensor output : Door Status Sensor will indicate the door is opened or closed status ( 10002DS , 10002NDS , 10020DS ...etc. White-Brown: Com.-N. C. contact, White-Orange: Com.-N. O. contact). Magnetic Bond Sensor indicates the door locked or unlocked status.
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