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Camden CX-EMF-2 Multi-Function Relay
EMF-2 is Camden's most sophisticated door control relay and is designed to easily and quickly support a variety of specialized door-control applications. A dedicated 12V/5V LED output suitable for an illuminated "Occupied" sign is also provided. Also available in secure lockable metal cabinet versions (EMF-2M or EMF-2ABM) suitable for wall mounting.
Applications: Advanced automatic door and security control including ATM Vestibule Control (Banks), two-door unsecured washroom in shared-use facility, 2 or 3 door Airlock (with auto-crossing), 2 to 5 door Airlock and 2 door Mantrap. Used where 'Assistance Required' input/output required in restroom applications.
Features
- Microprocessor control
- 3 mode selector switch
- 5 adjustable timers, 1-30 seconds each
- LEDs for visual confirmation
- May be used on normally locked and normally unlocked restroom doors
- 12/24V AC/DC
- Plug-In connectors facilitate wiring
- SPDT contacts rated 3 amps @ 30 VDC
- 7 dry inputs
- Use with fail-safe and fail-secure locks
- Enclosed plastic case or mounted in metal enclosure
- 3 year warranty
Specifications
| Voltage: | 12/24V AC/DC |
| Current Draw: | 150 mA Nominal, 500 mA Maximum |
| Response Time: | .3 Seconds |
| Input: | 7 Dry Momentary Contacts and 1 Digital |
| Output: | 5 x Form 'C' (SPDT), 1 Digital Output |
| Contact Rating: | 3 A @ 30 VDC |
| Electrical Life: | 500,000 Operations @ 1/2 rated Capacity |
| Time Delay: | 5 Pots adjustable from 1-30 Seconds |
| Dimensions: | |
| CX-EMF-2: | 6-7/8"L x 2-7/8"W x 7/8"D
(173mm x 72mm x 22mm) |
| Mounting: | |
| CX-EMF-2: | Double Sided Foam Tape |
| Enclosure: | |
| CX-EMF-2: | Gray Plastic Case |
Manufacturer Resources
Product Specs
- Product Group:
- Electronic Access Control
- Product Subgroup:
- Parts and Accessories
- Product Type:
- Relay
- Subcategory:
- Parts and Accessories
- Commercial/Residential:
- Commercial
- Product Attribute:
- Parts and Accessories
- Contact Rating:
- 3 A @ 30 VDC
- Electrical Life:
- 500,000 Operations @ 1/2 rated Capacity
- Product Voltage:
- 12/24V AC/DC
- Product Dimension:
- 6-7/8"L x 2-7/8"W x 7/8"D
- Product Category:
- Electronic Access Control
- Department:
- Door Hardware
Camden Door Controls CX-EMF-2 – Frequently Asked Questions
1) Can the Camden CX-EMF-2 relay run a two-door vestibule or mantrap without a separate access control panel?
That is exactly what the CX-EMF-2 is built for. It is a microprocessor controlled door control relay handling ATM vestibule control, 2 or 3 door airlock with auto-crossing, 2 to 5 door airlock, and 2 door mantrap sequencing on its own. It carries 7 dry momentary contact inputs plus 1 digital input, and 5 Form C (SPDT) outputs plus 1 digital output, so each door's lock or operator gets its own contact set.
2) Will the CX-EMF-2 relay switch my maglock or electric strike directly, or do I need an interposing relay?
Its contacts are rated 3 A at 30 VDC on each of the five SPDT outputs, which covers most single maglocks and electric strikes drawing under 3 amps. Anything above that rating, or any AC line voltage load, needs an interposing relay. Electrical life is 500,000 operations at half rated capacity, so sizing the load well under 3 A is what keeps the contacts alive in a high traffic vestibule.
3) Does the Camden CX-EMF-2 work with fail-safe locks, fail-secure locks, or both?
Both. The outputs are Form C (SPDT), meaning each has a normally open and a normally closed contact, so you wire fail-safe hardware like a maglock to one side and fail-secure hardware like a strike to the other. It also handles normally locked and normally unlocked restroom doors, which is the usual mixed-hardware headache on a shared washroom pair.
4) Does the Camden EMF-2 relay support an 'Assistance Required' call and an illuminated Occupied sign for a restroom?
Both are covered. The EMF-2 is used where an Assistance Required input and output is needed in restroom applications, and it has a dedicated 12V/5V LED output for an illuminated Occupied sign. That handles the common two-door unsecured washroom in a shared-use facility.
5) Should I order the plastic-cased CX-EMF-2 or a metal cabinet version?
The CX-EMF-2 itself is a gray plastic case that mounts with double sided foam tape, which suits a spot inside an operator header or an existing equipment enclosure. If the board will sit exposed on a wall or in a public area, order the EMF-2M or EMF-2ABM instead, which are the same relay in a secure lockable metal cabinet for wall mounting.
6) Will the CX-EMF-2 fit inside the header of an automatic door operator?
The board measures 6-7/8 inches by 2-7/8 inches by 7/8 inches (173 x 72 x 22 mm) in its plastic case and sticks down with double sided foam tape, so it fits most operator headers and low voltage enclosures with a clear flat area that size. Allow extra room beyond the footprint for the plug-in connectors and the field wiring leaving them.
7) Can I adjust how long the doors stay unlocked on a Camden EMF-2 vestibule sequence?
Five separate pots on the board set timing, each adjustable from 1 to 30 seconds, and a 3 mode selector switch picks the operating sequence. Response time is 0.3 seconds, and onboard LEDs confirm input and output activity while you are commissioning the sequence.
8) Is the CX-EMF-2 relay suitable for a commercial building install?
It is a commercial rated door control device, used in banks, shared-use washrooms, airlocks and mantraps. Wiring is by plug-in connectors, so a service call means unplugging the harness rather than re-terminating every conductor, which matters on an ATM vestibule that cannot stay down long.
How fast can I get the Camden Door Controls CX-EMF-2 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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Can I return it if it doesn’t work for me?
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reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Camden Door Controls CX-EMF-2 come with a warranty?
Absolutely. The Camden Door Controls CX-EMF-2 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Camden Door Controls CX-EMF-2?
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