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Dorma EM508 |
EM508 Electromagnetic Door Holders
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| Manufacturer: Dorma |
| Price: $281.55
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This product review video is for a similar product but it will differ in size, color and/or other attribute. We still feel the video will be of value to you.
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Overview |
 The DORMA EM Series door holders are composed of a door
mounted catch plate and a floor- or wall-mounted
electromagnet.
This series serves as an economical package for
use in conjunction with DORMA door closers whenever
controlled release and closing of doors is necessary for safety or
convenience such as in hotels, hospitals, and nursing homes.
The EM Series magnets offer superior reliability with builtin
protection and low residual magnetism so they release easily
even in applications meeting ADA requirements with minimal
spring force door closers.
The catch plate on the
door features a ball-shaped pivot arm for adjustability to further
ensure perfect alignment..
Optional extension rods are
available to accommodate greater distances between the door
and wall.
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Electromagnetic
Door Holders EM508
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| Features Include: |
| U.L. and C.U.L. listed. |
| M.E.A. (New York City), Factory Mutual, and California State Fire Marshall (CSFM)
approved. |
| Dual voltage capability reduces stocking requirements (24 VAC, 2 VDC, 120 VAC). |
| Low current draw allows savings on power supplies and backup batteries. |
| Optional extension rods fit on standard door catch plate to accommodate deeper door
to wall conditions. |
| Low residual magnetism allows
easy release of door. |
| All electrical values +10% to –15%. |
| Floor- and wall-mounted styles. |
| Can be manually pulled from hold
open position. |
| Silent operation. |
| Holding force 35 lb nominal. |
| Surface mounting |
Box has three conduit ready entries.
Supplied with plugs for the unused holes. |
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| Flush mounting |
| Fits 1 -1/2" minimum deep electrical box |
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| Recessed mounting |
| Fits 2-1/4" minimum deep electrical box |
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| Certification |
The DORMA EM Series are listed by U.L. and C.U.L. under
their continuing reinspection programs.
M.E.A. (New York City)
approval pending; approved by Factory Mutual and California
State Fire Marshall (CSFM).
The EM Series magnets are certified
to conform to the requirements of ANSI A156.15 Grade 1.
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| Specification |
All electromagnetic door holders shall be DORMA EM Series
with wall- or floor-mounted magnets and door-mounted catch
plates.
Available as surface, flush, or floor mount.
Floor mounted
magnets shall be provided for both single and double
door applications.
Each magnet to have the following voltage
capability: 24 V AC or DC and 120 VAC.
Specify type of
mount.
| Optional Specifications: |
Magnet to have 1-1/2" catch plate extension. Specify ER-1.5
Magnet to have 2-1/2" catch plate extension. Specify ER-2.5.
Magnet to have adjustable catch plate extension.
Specify
either ER-7 or ER-12. |
| Finishes: |
Powder Coated Finishes:
 Aluminum: 689.
Bronze: 695 (Dark Duranodic).
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Painted Finish:
696: Gold (Satin). |
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| Technical Details |
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| How to Order |
Example |
Accessories |
| Magnet |
Floor Mount (single door) |
EM501 24120 |
ER-1.5 - 1-1/2" extension |
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Floor Mount (double door) |
EM502 24120 |
ER-2.5 - 2-1/2" inch extension |
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Semi Flush Wall (long cp) |
EM504 24120 |
ER-7 - 6-3/8" to 8" adjustable extension |
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Semi Flush Wall (short cp) |
EM505 24120 |
ER-12 - 8-3/8" to 12" adjustable extension |
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Surface Wall Mount |
EM508 24120 |
DP PACK - Doorplate and doorplate fasteners |
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Completely Flush Wall |
EM509 24120 |
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| Accessories |
Specify the accessory |
EM509 24120 x ER-7
689 |
CP SHORT - Catch plate 1-5/8" projection |
| Finish |
689, 695 or 696 (see page
2 for details) |
EM508 24120 695 |
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| Comparison Chart |
DORMA |
RIXSON |
NORTON |
YALE |
SARGENT |
CORBIN/RUSSWIN |
LCN |
DOROMATIC |
ABH |
OLD DORMA |
Floor Mount (Single
Door) EM501 24120 |
980 |
R6931 |
R5931 |
1516 |
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SEM 7820 |
62150 |
2610
2620 |
EM-FM24120 |
Floor Mount (Double Door) EM502 24120 |
981 |
R6932 |
R5932 |
1517 |
N/A |
N/A |
N/A |
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EM-DFM24120 |
Semi Flush Wall (Long Catch) EM504 24120 |
998 |
R6933 |
R5933 |
N/A |
DH57904
DH57944 |
SEM 7850 |
62110 |
2110
2120 |
EM-F24120 |
Semi Flush Wall (Short Catch) EM505 24120 |
997 |
R6934 |
R5934 |
1561 |
DH57903
DH57943 |
SEM 7840 |
N/A |
2310
2320 |
N/A |
Surface Wall Mount (Short Catch) EM508 24120 |
996 |
R6935 |
R5935 |
1560 |
N/A |
SEM 7830 |
62120 |
2310
2320 |
EM-S24120 |
Completely Flush Wall (Low Projection) EM509 24120 |
990 |
R6936 |
R5936 |
1504 |
N/A |
N/A |
N/A |
2410
2420 |
EM-R24120 |
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Questions and Answers
Q: What motion sensor will work with this door holder. A: I suppose most motions sensors might work with this but please explain why you are using a motion sensor and this door holder together. I would like to know the full summary of how this opening is needed to operate. Is there a follow up question that we can perhaps attempt to answer? We take deep pride in our technical expertise, as we know it separates us from our competition, so don't hesitate to ask.
Please reply to this email or contact our sales department here: Click Here if we can assist you by answering further questions or with entering this order and please let us know if there is anything else we can help with. Q: We are installing these mag locks on the customer entry doors to the climate controlled storage buildings at an Extra Space Storage facility. Currently they are using kick stops to hold the door open when customers are moving in the facility. Then they leave the door open. We want these doors to close after a delay of a few minutes. It is not tied to any security system. A: Here is a narrative. Doe this work? An overhead passive infrared detector, set up in a fail safe mode (no signal = no power) connected to a time delay set to x minutes connected to the electromagnetic door holder? Thoughts?
(Required, used to email you once question is answered.)
Customer Reviews
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