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DynaLock
Starting at
$1,459.95
DynaLock 2585 Series 650 Lb. “Bantam”
Model 2585/2585-TJ85
2585 Bantam Single Outswinging Door
Single coil. Mounts to the underside of the frame header.
12 or 24 VDC field selectable. Ultra-compact 81 /2” long.
2585TJ85 Bantam Single Inswinging Door
Single coil. Mounts to the face of the frame header.
12 or 24 VDC field selectable. Ultra-compact 81 /2” long.
Each 2500 Series Electromagnetic Lock is comprised of 3 basic components: a lock housing, an electromagnetic coil, and an armature. The coil and housing assembly mounts rigidly to the door frame while the armature mounts to the door in a manner that allows it to pivot slightly to compensate for door irregularities. When the door is closed and the lock is energized the armature is magnetically bonded to the lock face, thus securing the door without utilizing any moving parts. Single and double door models are available as well as the 2585 Series, which has a shorter housing. At only 81 /2” long, the 2585 “Bantam” lock is perfect for installations where space is limited. All locks are designed for ease of use, and built in the USA to last a lifetime.
Standard Features
• Holding Force - 650 lbs. holding force provides for effective traffic control. Examples include interior office doors, clean room interlocks, tool cribs, and x-ray areas
• 4 Operating Voltages - All models (except the 2585) offer 12 or 24 VDC or VAC for installation flexibility and to reduce stock.
• Low Power Consumption conserves energy, reduces operating cost, and extends battery backup time
• A Totally Plated Coil and armature provides protection against corrosion.
• No Residual Magnetism - The lock releases without delay when de-energized.
• Narrow Backset - A thin lock section (11 /4”) may mean the elimination of additional mounting brackets
• Built-In Spike Suppression protects other solid state components within the system from damage when the lock is de-energized.
“Bantam” electromagnetic lock, surface mounted for single outswing or inswing doors.
Size: 1-1/4”D x 1-3/4”H x 8-1/2”L
Field Selectable 12/24 VDC.
Current Draw: 500 mA @ 12VDC
250 mA @ 24VDC
Manufacturer Resources
Product Specs
- Subcategory:
- Electromagnetic Locks
- Series:
- 2500 Series
- Holding Force:
- 650 lbs.
- Product Group:
- Electronic Access Controls
- Product Subgroup:
- Electromagnetic Locks
- Commercial/Residential:
- Commercial
- Battery Operated:
- No
- Electronic:
- Yes
- Product Type:
- Electromagnetic Locks
- Door Type:
- Outswing
- Warranty:
- Lifetime Warranty
- Product Model:
- 2585
- Product Voltage:
- 12/24 VDC
- Product Size:
- 1-1/4"D x 1-3/4"H x 8-1/2"L
- Mounting Method:
- Surface
- Product Category:
- Electronic Access Controls
- Department:
- Door Hardware
DynaLock 2585 – Frequently Asked Questions
1) Will the DynaLock 2585 Bantam maglock work on an inswinging door, or is it outswing only?
The 2585 itself is the outswing model, and it mounts to the underside of the frame header. For a single inswinging door you want the 2585TJ85 instead, which is the same 650 lb Bantam lock but mounts to the face of the frame header. Same single coil, same 8-1/2 inch housing either way. Pick by which way the door swings away from you, because the mounting surface is the whole difference.
2) I have very little room on the frame header. How small is the DynaLock Bantam maglock?
That is what the Bantam is for. The housing measures 1-1/4 inch D x 1-3/4 inch H x 8-1/2 inch L, roughly half the length of a standard full-size mag lock body. The 1-1/4 inch lock section is the part that usually matters: a backset that thin can let you skip the filler and mounting brackets a deeper lock would need. If your header reveal is the problem rather than the length, the Dortronics 1107 is another slim-line option, a narrow 2 inch single-door mag rated 600 lbs.
3) Does the 2585 maglock run on 12 or 24 volts, and how much current does it draw?
Field selectable 12 or 24 VDC, set at install, so you do not have to decide at order time. Draw is 500 mA at 12 VDC or 250 mA at 24 VDC. If you are running long wire or feeding several locks from one supply, 24 V halves the current and eases the voltage drop. Note the 2585 is a DC lock; the wider 2500 Series models take 12 or 24 VDC or VAC.
4) My power supply is AC output. Can I still use the DynaLock 2585 Bantam?
Yes, but you have to order it that way. The Bantam is a DC lock, and there is a pre-wired rectifier bridge option for 12/24 VAC operation that gets built into the lock. Specify it if your supply or transformer is AC, and you avoid adding an external rectifier in the can. Skip it if you are feeding the lock from a filtered DC supply or an access control board's DC output.
5) What options do I need to specify when ordering a DynaLock 2585 mag lock?
Three, each yes or no, and all eight combinations are orderable. A door status switch, which reports whether the door is physically closed back to your panel. The Dynastat force sensor, which monitors that the armature is actually bonded to the lock face rather than just that the coil is powered. And the pre-wired rectifier bridge for 12/24 VAC operation. None are field-added later, so settle them on the order form: if the access control system needs door position and bond monitoring for an alarm or an interlock sequence, take both switches.
6) What happens to a DynaLock 2585 maglock when the power goes out?
It unlocks, immediately. The lock holds only while the coil is energized, and the 2500 Series has no residual magnetism, so it releases without delay when de-energized, with no moving parts involved. That is fail safe behavior and it is inherent to a mag lock, which is why these openings need a code-compliant release path and a dedicated supply with battery backup if you want the door to stay secure through an outage. The lock's low power draw stretches that battery time.
7) Will one DynaLock 2585 Bantam lock a pair of doors?
No. The 2585 is a single coil lock for one door leaf, and one armature. For a pair you need a double door mag: the Alarm Controls 1200D Series is a double magnetic lock, and the Dormakaba EML320 is a double door unit at 1500 lb. The 2500 Series does include double door models, so if you want to stay on DynaLock, ask for the double rather than trying to make two Bantams cover a pair from one housing.
8) I need delayed egress on a stairwell door - will a DynaLock 2585 Bantam do that?
The 2585 Bantam is a straight holding mag lock; its ordering options cover a door status switch, the Dynastat force sensor and a pre-wired rectifier bridge for 12/24 VAC operation. For a delayed egress function on a single door, the Alarm Controls 1200DE Series is a delayed egress magnetic lock for single door use.
9) What is the closest equivalent to a DynaLock 2585 Bantam if I need a slim single-door mag lock from another brand?
The Dortronics 1107 is the nearest peer in that shape: it is a narrow 2 inch slim line 600 lb single door mag lock, putting it within a hair of the 2585 Bantam's 650 lbs. holding force. The 2585 housing measures 1-1/4"D x 1-3/4"H x 8-1/2"L, so both are aimed at frames where a full-size mag lock will not fit. Confirm the header face or underside space you have before choosing, since the two use different housing profiles.
10) I need more holding force than 650 pounds on a perimeter or high-traffic door - what magnetic lock should I use instead?
The DynaLock 2585 Bantam holds at 650 lbs., which suits interior traffic control. For a stronger single door pull, the Dorma EML310 is a 1500 lb. single door electromagnetic lock, and the Schlage Electronics M390RFK is a 1500 lb. unit with door status monitor, magnetic bond sensor and relock time delay. The Locknetics MG Series is offered in 600lb and 1200lb models on 12/24VDC. All of those use larger housings than the Bantam's 8-1/2" length, so verify header space before you commit.
11) My opening is a sliding door - is a Bantam mag lock the right choice?
No. The DynaLock 2585 Bantam is a surface mounted lock for a swinging leaf, mounting either to the underside of the frame header for outswing or to the face of the header for inswing. A sliding leaf needs a lock built for that motion, such as the Schlage Electronics 320M compact mortise sliding door electromagnetic lock at 1500 lbs holding force, which is a heavy duty unit.
12) Do I need the Dynastat force sensor, or is the door status switch enough?
They answer two different questions. The door status switch tells you the door is closed. The Dynastat force sensor tells you the armature is magnetically bonded to the lock face, which is the condition that actually means secure, and a door can read closed while the bond is poor from a warped leaf or a misaligned armature. For a tool crib or a clean room interlock where a soft bond is a real problem, order both; they can be had together on the same lock. For a plain office door with a card reader, the status switch alone usually covers what the panel needs.
13) Will the 2585 Bantam hold on a door that is slightly warped or out of alignment?
It has some tolerance built in. The coil and housing assembly mounts rigidly to the frame, but the armature mounts to the door so it can pivot slightly to compensate for door irregularities, which is how the face gets full contact on a leaf that is not dead flat. That pivot is not a fix for a badly sprung door or a sagging hinge, and on a marginal opening the Dynastat force sensor option is worth adding so the panel sees a weak bond instead of assuming the door is secure.
14) I am replacing a Locknetics 390 mag lock. Is the DynaLock 2585 a drop-in?
No, treat the Bantam as a new install: it is an 8-1/2 inch single coil housing at 650 lb, with its own hole pattern on the header. For a Locknetics 390+ the direct path is the Schlage M390RFK, which is built as a retrofit for the Locknetics 390+ at 1500 lbs holding force and carries a door status monitor, magnetic bond sensor, and relock time delay. Going that route keeps you out of the frame with a drill.
15) Does the DynaLock 2585 mag lock need batteries or its own power at the door?
No batteries. It is a hardwired electronic lock that has to be fed continuously from a 12 or 24 VDC supply, because it only holds while energized. Budget 500 mA at 12 V or 250 mA at 24 V per lock when you size the power supply, and add battery backup at the supply if the opening must stay locked through an outage.
16) Is a shear lock the same thing as a Bantam mini mag lock?
They are not interchangeable. The DynaLock 2585 Bantam is a surface mounted electromagnetic lock whose armature bonds to the exposed lock face when the door closes and the coil is energized. A shear lock such as the ROFU 8031-002, rated 2200 LB holding force on 12/24VDC and monitored, is a concealed style that engages the armature in shear rather than face to face, so the frame and door preparation is different work. Decide the mounting style before you pick a holding force.
17) Do other brands offer a mag lock with the same field selectable 12/24 volt wiring as the DynaLock 2585?
Yes. The 2585 Bantam is field selectable 12/24 VDC, drawing 500 mA at 12VDC and 250 mA at 24VDC. Among comparable units, the Dortronics 1000 Series is dual voltage 12/24VDC field selectable, the Locknetics MG Series and WMG Series are 12/24VDC, and the ROFU 8512 standard single magnet is 12/24VDC with 1200 LB holding force on a selectable keyhole mount. Matching voltage this way lets an integrator stock one power supply across an opening mix.
18) Is there a lighter duty mag lock than the DynaLock 2585 for a low traffic interior door?
The Schlage M420 is a single door electromagnetic lock at 500 lbs holding force, below the 2585 Bantam's 650 lbs. It is a reasonable look for a low traffic interior opening where the higher pull is not needed. Note that the Bantam is the more compact housing at 1-1/4"D x 1-3/4"H x 8-1/2"L, so on a tight header the 2585 may still be the one that fits.
19) If I want door position monitoring built into the mag lock, which models cover that?
The DynaLock 2585 Bantam can be ordered with a door status switch, with or without the Dynastat force sensor. Among comparables, the Dortronics 1000 Series includes an SPDT door position switch, the Dorma EML310 is offered with a door position sensor and in a bond alert plus door position sensor build, the Schlage M390RFK carries a door status monitor and magnetic bond sensor, and the Locknetics MG Series is offered in standard and monitored versions. Confirm which contact type your panel input expects.
20) Will a DynaLock 2585 protect my access control board when the lock releases?
Yes, spike suppression is built into the lock. Collapsing the coil's field on de-energize is what kicks a voltage spike back down the wire, and the 2500 Series locks include built-in suppression to keep that from damaging other solid state components in the system. One less diode to add at the board. The locks are built in the USA.
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Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
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Does the DynaLock 2585 come with a warranty?
Absolutely. The DynaLock 2585 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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