Lifesafety Power E2M-BOXED MCLASS Power Enclosure FlexPower
The Lifesafety Power E2M-BOXED is a UL294-listed multi-purpose power enclosure engineered to consolidate access control hardware, FlexPower management boards, and battery backup into a single secure cabinet. Designed for systems integrators and architects, the E2M combines modular power distribution with pre-engineered mounting patterns that reduce on-site assembly time and wiring errors. The removable backplate allows shop-level configuration of access hardware while site technicians handle rough-in cabling independently — a workflow that cuts final installation labor by 30-40% on medium-sized deployments.
Key Features
- UL294 Listed Enclosure: Meets fire-rated cabinet standards for access control systems. Supports insurance compliance and expedited approval on regulated installations.
- Removable Backplate Design: Backplate detaches for remote wiring and access hardware mounting in the shop, then remounts on-site after rough-in completion. Eliminates tight-space cramping and reduces callbacks.
- Integrated Battery Compartment: 4.5" enclosure depth accommodates battery modules without external extensions. All power and distribution boards pre-mounted and pre-wired at factory.
- Multi-Hardware Mounting: Pre-engineered threaded standoffs and patterns support Lifesafety Power boards alongside Mercury Security access hardware in flexible combinations. No custom drilling or adapters needed.
- Tamper-Protected Door: Quick-disconnect grounding strap and tamper switch detect forced entry. Mechanical lockset included.
- 16 Gauge Steel Chassis: Textured black powder-coat finish resists corrosion and fingerprints. 16-gauge construction balances weight and durability for wall or rack mounting.
- Tool-Free Access Boards: Access control boards mount on provided standoffs without additional fastening hardware, reducing assembly time.
The MCLASS enclosure family is purpose-built for system designers who need to marry power distribution redundancy with access control logic in environments where space or aesthetics constrain multi-cabinet deployments. The pre-wired factory configuration means your technicians arrive on-site with a partially assembled unit — backplate detached — ready to accept rough-in cabling and site-specific access hardware without re-engineering. The result is a predictable per-unit installation window and fewer site change orders.
Battery-backed power enclosures are critical nodes in access control architectures. A failure cascade — controller lockup, door-strike de-energization, credential reader offline — creates both security and life-safety liabilities. The E2M's integrated battery compartment and pre-certified layout eliminate the ad-hoc external battery configurations that often introduce ground loops and voltage regulation issues. Pairing this with Lifesafety Power's FlexPower management boards ensures automatic load shedding during brownout conditions, prioritizing door-strike and reader power over ancillary loads.
Integration with Mercury Security access platforms is native — no additional relay adapters or control boards required. The modular mounting pattern accepts additional expansion boards if your design evolves from a single-door to multi-reader topology. Typical deployments include main lobby access points, server-room barriers, data-center equipment-room entries, and multi-tenant office ingress nodes where local power redundancy is non-negotiable.
The E2M-BOXED is UL294 fire-rated, making it compliant for installations in jurisdictions with high-risk or regulated occupancy classifications. Removable-door design with quick-disconnect ground strap simplifies both initial setup and future maintenance or battery replacement cycles. For integrators managing 50+ door systems across distributed campuses, the labor savings on assembly and the reduction in field callbacks justify the upfront per-unit cost within the first two deployments.
Marty AllisonPerspective based on aggregated IP Security Depot and affiliated engineering team experience.
We've deployed the E2M-BOXED across everything from single-door emergency exits to 16-door lobby clusters, and the backplate-separation workflow is genuinely transformative for on-time job completion. Here's what makes it different from generic industrial enclosures: the factory pre-wires all internal distribution — power rails, ground busses, and FlexPower board connections — before it ships. Your technician doesn't arrive on-site with a bare box and a wiring diagram; they get a partially assembled unit where the hard part is already done. Detach the backplate, pull your rough-in cables through the conduit knock-outs, remount the backplate, terminate, and you're testing within four hours on a typical two-reader door. We've measured this against traditional side-by-side cabinet stacking, and the labor delta is real — 35-40% faster on final integration for mid-sized systems.
The tamper protection and door-disconnect mechanism are also worth noting. The quick-disconnect ground strap isn't just a convenience; it prevents the common mistake of hot-wiring the enclosure while troubleshooting, which can cascade into ground faults on your access control network. The tamper switch is hardwired into the controller logic, so any forced entry triggers a local alarm or integrates directly with your access event logging.
Technical Highlights:
- Pre-Wired Power and Distribution Boards: Factory assembly means no field rewiring of internal rails. Eliminates a major source of brownout-related callbacks. Your technicians focus on reader and door-strike terminations only.
- 4.5" Battery Compartment Depth: Accommodates 12V sealed-lead-acid or AGM batteries without requiring external enclosures. Eliminates the aesthetic and compliance overhead of conduit runs to remote battery boxes.
- UL294 Fire Rating: Required for high-risk occupancy classifications (hospitals, data centers, critical infrastructure). Saves weeks of approval cycles on regulated projects.
- Modular Mounting Pattern: Pre-engineered standoff spacing accepts both Lifesafety Power and Mercury Security boards in flexible layout configurations. Future-proofs against mid-deployment topology changes.
- 16 Gauge Steel with Textured Powder Coat: Resists fingerprints and minor impact scuffing. Black finish blends into wall-mount and rack-mount environments. Weight and structural rigidity suitable for high-vibration mechanical spaces.
Deployment Considerations:
- Rough-in planning is critical: identify your conduit ingress points during the design phase. The enclosure ships with pre-drilled knock-outs, but custom cut-outs require field modification and delay your installation timeline.
- Battery sizing must be calculated during the estimate phase based on your reader load and desired holdover time. The compartment depth accommodates common 7Ah or 12Ah batteries; over-spec'd battery modules may not fit without external mounting.
- Tamper switch wiring should be commissioned as part of your final access control system test. Verify that door-open events log correctly in your credential server before handing off to the end user.
- Grounding and bonding to building electrical infrastructure are mandatory. Poor ground potential is a common source of reader-card corruption on distributed systems; coordinate with your site electrician during rough-in.
- If your design includes future expansion (additional reader boards or relay modules), confirm that your backplate-mounted hardware leaves adequate internal clearance before ordering. The 4.5" depth is fixed; you cannot retrofit thicker expansion cards later.
The E2M-BOXED is the right choice for integrators who value predictable labor hours and reduced field rework, particularly on multi-door campus or distributed-reader projects where you're deploying 5+ enclosures. It's not the cheapest enclosure on the market, but the assembly-time savings and the elimination of on-site wiring errors pay back the premium within 10-15 installations. See the full Lifesafety Power catalog for complementary power boards and battery modules.
