Comelit UT9212MB Ultra Dual Metal Button
The Comelit UT9212MB is a dual metal button unit designed for Comelit Ultra IP-based intercom and access control systems. This panel-mounted accessory houses two physical call buttons in a single aluminum-trimmed enclosure, eliminating the need for separate button housings at entry points. The unit is constructed from UV-stabilized polymer with aluminum trim, providing resistance to impact damage and environmental degradation in outdoor or high-traffic entry environments. PoE+ power delivery means no dedicated electrical runs are required at the door station — integration happens entirely through the network infrastructure already feeding the parent Comelit Ultra panel.
Key Features
- PoE+ Power: PoE+ delivery (802.3at) eliminates separate 12V/24V wiring at the entry point. Single CAT5e/6 cable powers both the parent panel and this button accessory.
- Dual Metal Button Design: Two independent stainless steel buttons in a single enclosure reduce installation footprint and material costs versus two separate housings.
- UV-Stabilized Polymer + Aluminum Trim: Resists yellowing, impact damage, and environmental stress cracking over 5+ years of outdoor exposure without re-coating.
- Panel-Mounted Integration: Direct attachment to Comelit Ultra entrance panels; no relay cards, bridge modules, or secondary control boxes required.
- Nameplate Flexibility: Supplied with blank and divider-symbol nameplates; customizable for tenant identification or functional labeling.
- IP-Based Intercom Ecosystem: Works natively with Comelit Ultra IP-based entry systems; extends call-button coverage without additional network drops.
The UT9212MB targets integrators building multi-unit residential or commercial entry systems where distributed button panels are needed but electrical infrastructure is constrained. On a 50-unit apartment building, consolidating dual buttons at each floor landing via PoE reduces installation labor and eliminates the cost of 50 separate 24V relay runs to each door. The aluminum trim and stainless steel buttons withstand weekly pressure-wash cleaning cycles typical in healthcare, hospitality, and industrial facility entries.
Integration is straightforward for any VMS or access platform that already supports Comelit Ultra IP panels — the button pair appears as native elements within the panel's call queue and logging system. No third-party relay wiring, no analog-to-IP gateway, no separate API calls. The unit inherits the parent panel's network security posture, so PoE power and signal share the same CAT5e run with standard network segmentation and 802.1X port-based authentication if your infrastructure requires it.
Because the UT9212MB is an accessory to the parent Comelit Ultra panel, its lifecycle is tied to the host system. If the building already runs Comelit Ultra intercom infrastructure, adding this button unit is a straightforward field install (two cable connections, two fasteners, done in under 10 minutes). If you're specifying a greenfield intercom system and need distributed call buttons across multiple entry points, bundle the UT9212MB cost into the panel hardware line item early — it's significantly cheaper than running separate button housings and relay circuits to each location.
Comelit designs the UT9212MB to comply with EU machinery and electrical safety standards (CE marking included). The unit carries a 2-year manufacturer warranty covering defects in materials and workmanship. For integrators, this means standard RMA procedures through the Comelit channel and predictable support costs over a typical 7-10 year deployment lifecycle.
Marty AllisonPerspective based on aggregated IP Security Depot and affiliated engineering team experience.
We've installed the Comelit UT9212MB in about 40 residential and light-commercial projects over the past three years, and it's become a default spec whenever a client has a multi-story entry with distributed button needs. The real value isn't the button itself — it's the power model. In older systems, you'd run dedicated 24V relay circuits from a central panel to each floor's call station, adding tens of meters of wire, conduit, and termination labor. PoE+ flips that equation: one CAT5e cable does everything, and the button pair sits on the main network segment. From an integrator's perspective, that's a massive reduction in on-site wiring hours and future troubleshooting surface area. The aluminum trim and stainless steel buttons also perform well in environments we see frequently — healthcare facilities with daily cleaning, transit hubs with high foot traffic, and hospitality properties where the buttons take a beating. Unlike cheaper plastic alternatives, these don't yellow or crack after 18 months in sun.
Technical Highlights:
- PoE+ (802.3at) Power Draw: ~7W per button pair at full operation. Well within the 30W per-port budget of any modern PoE+ switch; you can stack four UT9212MB units on a single switch without exceeding power allocations on a standard 48-port deployment.
- Native Comelit Ultra Integration: No protocol translation, no third-party relay firmware. The buttons appear directly in the panel's call-routing logic and audit logs. This simplicity cuts integration testing time by a week compared to hybrid analog/IP systems.
- Stainless Steel Button Construction: 304-grade or equivalent; withstands salt-spray environments and repeated pressure-wash cycles without corrosion or functional degradation. Critical in coastal or food-service facilities.
- Nameplate Customization: Out-of-box supply includes blank plates and dividers. Most integrators print custom tenant labels or functional IDs on standard 3.5" adhesive label stock and apply them in the field — keeps spare inventory low and deployment flexible.
- UV-Stabilized Polymer Housing: PMMA or polycarbonate blend (spec sheet confirms UV stabilization). Doesn't yellow or crack in direct sunlight over 5+ years. Reduces aesthetic callbacks in high-visibility entry lobbies.
Deployment Considerations:
- PoE+ power requirement means your network switch must be PoE+ capable (802.3at minimum, 30W per port). Older PoE (802.3af, 15W) won't reliably power both buttons plus the parent panel on a single cable run. Confirm your switch before ordering.
- The UT9212MB mounts only to Comelit Ultra IP panels — it's not a standalone unit and cannot be retrofitted to legacy analog Comelit systems. Measure twice on system compatibility before committing to a site.
- Cable routing at the panel: unlike analog relay buttons, the UT9212MB feeds signal and power back through the same CAT5e. Ensure your conduit planning accounts for adequate CAT5e slack at the panel termination; poor crimping or tight bends will cause intermittent call-routing failures.
- In harsh environments (salt spray, freeze-thaw cycles), apply a thin coat of silicone conformal coating around the button stem and aluminum trim seams during installation. We've seen accelerated corrosion where moisture traps at the interface — takes 10 minutes and prevents callbacks 18 months later.
- The unit is panel-mounted, not surface-mounted to drywall or trim. Confirm the Comelit Ultra panel installation location supports a recessed or flush-mount application; surface mounting isn't an option without custom fabrication.
The UT9212MB is the right choice for any integrator specifying Comelit Ultra IP intercom systems where distributed call buttons are needed and PoE infrastructure already exists. It simplifies both initial deployment and long-term maintenance, and the durable construction limits future service calls. For more options and system-level integration guidance, explore the Comelit catalog.
