SDC
SKU: DTMO-1
SDC/Security Door Controls DTMO-1 Momentary Switch
30VDC momentary switch for HID-integrated door strike and lock control
Overview
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Overview
Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.
The SDC DTMO-2 is a momentary-action mini console designed to control electromagnetic locks, shear locks, bolt locks, delayed egress systems, and electric strikes in access control installations. Operating at 30VDC with a 5-amp SPDT (single-pole, double-throw) contact rated at 5 amperes, the DTMO-2 delivers reliable switching for temporary door release requests in guard stations, control rooms, and compact security environments where space and functionality must coexist. The unit's economical form factor makes it a practical choice for single or dual-door control in commercial and institutional deployments.
The DTMO-2 integrates with access control systems that use 30VDC signaling and door locking infrastructure. The unit's SPDT contact makes it agnostic to the upstream control logic — whether you're pulling a signal from a card reader interface, a relay output on an access panel, or a hard-wired pushbutton, the momentary action translates that logic into a door release pulse. For multi-door facilities, deploying multiple DTMO-2 units in a control rack is straightforward, with each unit managing its own strike or lock independent of others. LED status feedback depends on integrating door sensors (magnetic contacts, position switches) with the console's indicator lines — consult your access control panel documentation for wiring guidance.
Q: Can the DTMO-2 be used with both momentary and sustained lock control?
A: Yes. The DTMO-2 is available in three switch configurations — select the momentary variant (DTMO-2) for pulse-action door releases, or consider an On/Off model if you need sustained energization. Confirm your ordering code matches your locking hardware's requirements.
Q: What's the maximum number of doors the DTMO-2 can control?
A: The DTMO-2 is designed for one or two doors. Each unit provides a single SPDT contact, so for more than two independently controlled doors, you'll need multiple consoles or a larger access control panel with multiple output relays.
Q: Does the DTMO-2 work with electric strikes and electromagnetic locks?
A: Yes. The 5-amp SPDT contact at 30VDC supports electromagnetic EMLocks, shear locks, bolt locks, delayed egress systems, electrical exit systems, and electric strikes. Verify that your specific locking hardware's current draw does not exceed 5 amperes.
Q: What do the tri-color LED indicators show?
A: The LEDs display door and lock status when integrated with door sensors. Status feedback indicates whether the door is secured or in transit, and whether the lock is energized. This provides operators with immediate visual confirmation without checking the door manually.
Q: Is the DTMO-2 suitable for unattended or outdoor installations?
A: The DTMO-2 is a desktop console designed for indoor control rooms, guard stations, and secure facilities. It is not rated for outdoor exposure or unattended mounting. For outdoor or remote door control, consider a larger pedestal console or a networked access control system with remote release capabilities.
Q: What's included in the box?
A: Refer to the product documentation or contact support for a complete list of included accessories and wiring terminals.

The DTMO-2 is a straightforward momentary console for guard-station environments where you need a compact, hard-wired release button for one or two doors. The 30VDC, 5-amp SPDT contact is bread-and-butter hardware — it handles standard electromagnetic locks and electric strikes without fuss, and the unit's small 4 1/8" x 3 1/8" footprint slides into existing console racks without rework. The tri-color LED indicators are the real value add here — they give your front-desk operator instant visual feedback on door and lock state, eliminating the blind-spot guesswork that drives unnecessary support calls.
Technical Highlights:
Deployment Considerations:
The DTMO-2 is the right choice for small-footprint guard stations and control rooms managing one or two critical doors — retail, small office, school entry — where a compact desktop console and simple momentary release are sufficient. If you're already running a larger access control panel with multiple relay outputs, adding dedicated DTMO-2 consoles at key access points can offload operator workload and improve response time for routine door releases.
Manufacturer-verified compatible cameras, recorders, mounts, accessories, and licenses for this product. Adjust quantities and add the entire bundle to your cart in one click.
Support services and planning resources for commercial surveillance, access control, and infrastructure deployments.
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