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Dortronics 5140 Series - DRT5141-24XKXL Mortise Cylinder Key Switch, Single Alternate Action, Single Gang Plate, DPDT Switch, LED Bi-Colored Light
Key operated mortise cylinder switches can restrict use of electrically operated entrance control systems, alarms, electric locking devices and other similar equipment. Actuation of switch controls can be limited to authorized key carrying personnel. Ideal for after hours access into buildings, such as apartment entrances with magnetic locks and time controlled locking systems. Key switches can also be used to authorize by-passing or shunting of door alarms and delayed release exit control systems. Other applications are security interlock override to restricted areas. The mode selection of day/night automatic door operating systems can be controlled with key switches.
Features:
- Versatile Key Switch Assemblies: The 5140 series switches are fully adjustable to allow activation by most cylinder cams. Single and double gang plates are available for flush wall or surface box mounting. A narrow switch plate is offered for mounting on hollow metal or aluminum door frames. Switch plates are furnished in satin finish, stainless steel or anodized aluminum.
- Multiple Switch Configurations: Key switches may be combined with LEDs to provide door status or other conditions. The sounder option can be used with other logic controls to alert personnel of an alarm condition and then be reset from the key switch.
- High Security Switches: Additional security can be provided with the optional concealed tamper switch. This can be used to signal an alarm monitoring device of attempts to defeat the key switch. Tamper resistant, socket hex head screws with security pins, are also available as an option to further enhance security.
- Accepts standard mortise cylinder
- Single or dual switch blocks
- Multiple position switch modes
- Narrow to wide switch plates
- Tamper resistant screws
Specifications:
- Clearance Dimensions: 1-3/8" x 3-3/4" x 1-3/4"
- Momentary Contact Rating: 3 amp at 125 VAC
- Alternate Action Contact Rating: 3 amp at 125 VAC
- Time Delay: 10 amp at 125 VAC
Resources
Manufacturer Resources
Product Specs
- Product Group:
- Electronic Access Controls
- Series:
- 5140 Series
- Product Subgroup:
- Sensors, Switches, Relays and Timers
- Product Type:
- Mortise Cylinder Key Switch
- Subcategory:
- Mortise Cylinder Key Switch
- Commercial/Residential:
- Commercial
- Electronic:
- Yes
- Clearance Dimensions:
- 1-3/8" x 3-3/4" x 1-3/4"
- Momentary Contact Rating:
- 3 amp at 125 VAC
- Time Delay:
- 0 amp at 125 VAC
- Product Model:
- 5141-24XKXL
- Product Category:
- Electronic Access Controls
- Department:
- Door Hardware
Dortronics 5141-24XKXL – Frequently Asked Questions
1) Does the Dortronics 5141 key switch come with a mortise cylinder, or do I supply my own?
You supply the cylinder. The 5140 Series switch accepts a standard mortise cylinder, and the switch mechanism is adjustable so it can be actuated by most cylinder cams. That means you can key it into the building's existing system with whatever keyway you already run, rather than adding a one-off key to the ring.
2) How much space do I need behind the wall or frame for a Dortronics 5141 key switch?
Allow clearance of 1-3/8 x 3-3/4 x 1-3/4 inches behind the plate for the switch body and cylinder. If you are mounting into a flush wall box, confirm the box depth covers that; on a surface box or a narrow frame application the same clearance applies.
3) What does alternate action mean on a key switch, and when would I want it instead of momentary?
Alternate action means the contacts latch: turn the key once and the circuit stays switched until you turn it back. The DRT5141-24XKXL is a single alternate action switch, which is what you want for after hours unlock of an apartment entrance on a mag lock, putting an automatic operator into day mode, or shunting a door alarm for a period of time. A momentary version is the one to use when you only want a brief pulse, such as a single release of an electric strike.
4) Can this key switch carry the load of a magnetic lock or door alarm circuit?
The alternate action contacts on the 5141 are rated 3 amp at 125 VAC, which covers control-level switching for mag locks, electric locking devices, alarm shunts and delayed egress release. For anything drawing more than that, switch a relay with it rather than running the load through the key switch directly.
5) Will a single gang key switch plate fit on a hollow metal door frame?
No. The DRT5141-24XKXL is built on a single gang plate for flush wall box or surface box mounting, which is too wide for frame face mounting. For a hollow metal or aluminum frame you need the narrow switch plate version of the 5140 Series instead.
6) What does the DPDT switch give me over a single-pole key switch?
Double pole double throw gives you two independent sets of changeover contacts from one key turn. One set can drop the mag lock or release the lock power while the second shunts the door contact or signals the access panel, so you are not stacking two devices at the same opening. The DRT5141-24XKXL is the DPDT, single switch block version of the 5140 Series.
7) What is the bi-colored LED on the Dortronics 5141 used for?
The LED is a status indicator wired back to your control logic, so the person at the door can see the condition the switch put the opening into, door secure versus released, or armed versus shunted. Two colors from one lamp position on the plate. The 5140 Series pairs LEDs with the key switch specifically to report door status or other conditions.
8) Can I make this key switch tamper resistant for an exterior or public-area opening?
Two options address that on the 5140 Series: a concealed tamper switch that can signal an alarm monitoring device if someone tries to defeat the key switch, and socket hex head screws with security pins in place of standard fasteners. Both have to be specified when you order, they are not standard on the DRT5141-24XKXL.
9) What finish does the Dortronics 5140 Series switch plate come in?
Plates are furnished in a satin finish, either stainless steel or anodized aluminum, so they sit alongside standard commercial wall plates and door hardware without looking like an add-on.
10) Is the Dortronics 5141 key switch suitable for a commercial building install?
It is a commercial-duty access control device, used for entrance control systems, alarm shunts, security interlock override to restricted areas, and mode selection on automatic door operators. Typical placements are apartment and office entrances running mag locks or time controlled locking.
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Does the Dortronics 5141-24XKXL come with a warranty?
Absolutely. The Dortronics 5141-24XKXL is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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