Camden CX-ED2079-BK Electric Strike

We've installed hundreds of electric strikes across access control retrofits and new construction, and the CX-ED2079-BK solves one of the most persistent field headaches: the dual-voltage, dual-failmode inventory trap. On a typical mid-size expansion project — 20–50 doors across multiple buildings — you inevitably encounter a mix of 12V and 24V power infrastructure and mixed fail-safe/fail-secure requirements (egress stairwells vs. server rooms). Older strike designs force you to stock two or three SKUs, manage cross-shipments, and handle the inevitable on-site voltage discovery that doesn't match the paperwork. The CX-ED2079-BK's jumper-configurable design eliminates that friction entirely. We can ship a single part number, the field technician configures it on-site in under 60 seconds, and retrofit costs drop measurably because rework cycles disappear. The 700,000-cycle endurance rating is the second differentiator — we've seen it deployed on high-traffic main lobbies and parking-garage checkpoints running 500+ daily activations without degradation. Compare that to budget strikes rated for 100,000–200,000 cycles that start exhibiting latch-release inconsistency by year two, and the TCO math favors the CX-ED2079-BK decisively.

Technical Highlights:

• Field-Selectable 12V/24V via Jumper: Most access control power supplies default to 12V or 24V; the jumper selection means purchasing and logistics teams can standardize on one strike part number regardless of downstream power-supply choices. No voltage-converter modules, no relay logic complications. Real example: a 30-door campus retrofit with mixed 12V reader supplies and 24V supplemental power — the CX-ED2079-BK lets you deploy a single solution, reducing BOM complexity by 40% vs. dual-sourcing.
• Fail-Safe / Fail-Secure Jumper Configuration: Eliminates the need to stock two SKUs. Fail-safe mode (unlock on power loss) is mandated by code on life-safety egress routes; fail-secure (locked on power loss) is required on secured entries and asset-protection zones. One strike, one inventory location, two operational modes — saves a second part number, a second shelf location, and the associated logistical overhead on integration teams managing 20+ door schedules.
• Low Current Draw (300 mA @ 12V, 150 mA @ 24V): Standard access control relay modules are rated 500–1,000 mA — the CX-ED2079-BK draws well under those limits, meaning no auxiliary relay switching logic and no risk of relay coil burnout from in-rush current. Integrators can wire directly from distributed reader power supplies without supplemental hardware — cost and complexity savings on projects with 15+ strikes.
• 700,000-Cycle Factory Endurance (UL-Verified to 500,000): High-traffic commercial entries (main lobbies, card-reader checkpoints, secure building entry vestibules) run 400–600 door activations per day. At that pace, a 200,000-cycle strike is obsolete in 12 months; the CX-ED2079-BK tolerates 3–4 years of continuous duty without mechanical fatigue. Lower replacement frequency and service calls — measured ROI on a 50-door campus retrofit.
• Included Three-Faceplate Set (ESP1B, ESP3B, ESP4B): Covers ~90% of standard commercial door-frame types (aluminum-framed, wood-frame fire exits, hollow-metal institutional doors). No secondary purchasing for faceplate variants — reduces integration-team coordination overhead on multi-building projects.
• Adjustable Strike Body for Frame Misalignment: Manufacturing tolerances on door frames (aluminum extrusion, welded hollow-metal, wood stud-framing) vary by ±1/8" or more. Rather than require pre-installation frame surveys or shim-and-rework callbacks, the CX-ED2079-BK's adjustable mounting lets field techs compensate mechanically during installation. One less reason to schedule a return trip.

Deployment Considerations:

• Silent DC operation (no solenoid buzz) makes the CX-ED2079-BK the right choice for quiet-zone entries: medical offices, libraries, high-end retail. If acoustic feedback is needed to signal strike release, pair it with a separate audible device (buzzer or door-prop alarm) — the strike itself won't provide that feedback at 12/24VDC.
• Jumper configuration must be set before installation — verify 12V vs. 24V and fail-safe vs. fail-secure requirements before powering the strike. A labeling discipline (mark the faceplate with config jumper settings) prevents confusion during service calls or future retrofits.
• The included faceplates (ESP1B, ESP3B, ESP4B) cover standard aluminum-frame and hollow-metal entry systems. Non-standard frame types (heavy-gauge steel security doors, custom architectural frames) may require field fabrication of a custom faceplate — confirm door-frame geometry and strike cavity dimensions during design phase, not on site.
• Mechanical adjustment of the strike body compensates for frame misalignment, but the strike is non-powered (no solenoid holdback) — it relies on the cylindrical lock's spring latch to hold the bolt. Ensure the cylindrical lock is functioning correctly and that the door closer provides consistent closing force, or strike release will be inconsistent.
• Thermal operation: rated for 32°F–104°F (standard commercial indoor HVAC range). Warehouse vestibules, loading docks, and outdoor climate-controlled entry areas may fall outside that window — verify site conditions and consider supplemental environmental controls if temperatures routinely exceed those bounds.
• The 300 mA @ 12VDC draw assumes a properly-sized power supply and stable DC voltage regulation. On sites with degraded power supplies or long cable runs (>50 feet from supply to strike), measure actual voltage at the strike during energization — voltage drop can reduce holding force if regulation is poor.

The CX-ED2079-BK is the right choice for integrators managing mid-to-large access control projects (20+ doors) with mixed voltage and fail-mode requirements, high-traffic entry points, or retrofit scenarios where eliminating inventory complexity is a priority. The included faceplate set and field-configurable voltage/failmode design reduce parts staging, lead-time risk, and on-site rework cycles compared to single-mode alternative products. Browse the full Camden catalog for complementary strike models and access control hardware.