HES PBL-1-1-L2-GR Illuminated Panic Button Latch

We've installed the HES PBL-1-1-L2-GR in dozens of retrofits and new builds across hospitals, secured care facilities, and commercial office campuses. What sets this latch apart from commodity panic buttons is the dual-contact architecture — you don't need a separate relay module to simultaneously unlock the door and signal the access control system. On a typical 50-door security retrofit, that eliminates 50 relay enclosures and the attendant wiring labor. The stainless steel body is a real asset in healthcare; we've seen painted latches fail within 18 months under repeated Cavicide exposure, while the 300-series PBL units show zero corrosion after five years of twice-daily sanitization. The 12V LED integration is straightforward if your ACS has a spare 12VDC output; if not, a small 12VDC power supply runs all illuminated buttons on a daisy-chain, keeping the capex low. The one trade-off: the latch requires a hardwired panic bar cavity — you cannot simply bolt this onto a flat door like a standalone button. On new construction or purpose-built exit doors, that's transparent; on retrofit flat-door installs, you'll need to relocate the electronic lock to a push-bar assembly or accept surface-mounted hardware. We routinely specify this latch in buildings where code requires both manual emergency release and real-time security logging, and it delivers on both counts without bloat or complexity.

Technical Highlights:

• 1NO/1NC Dual-Contact Switching: Eliminates the need for external relays or relay modules. One contact releases the lock directly; the other triggers an alarm input on the ACS. This reduces component count and wiring labor on large deployments by 30–40% versus separate button-relay-lock architectures.
• 12V LED Illumination (Independent Power Source): The LED operates on a separate 12VDC supply path, so the button remains lit even if the ACS or 24VDC lock power fails. Critical for occupant wayfinding in emergencies when main power is compromised.
• Stainless Steel 300-Series Body: Withstands alkaline detergents (Cavicide, Lysol) and high-pressure washdown without finish degradation. Ideal for hospitals, food-service, and institutional settings where daily chemical sanitation is standard.
• Momentary and Maintained Modes (ACS-Configurable): No hardware change required to switch logic. Momentary mode (burst release) suits general office egress; maintained mode (held unlock) supports emergency stretcher/equipment movement. Configuration is done in the access control panel software.
• Standard Panic Bar Latch Form Factor: Drops into existing panic bar cavities without custom machining. Weight (0.4 lb) is negligible, so no door-reinforcement is needed on retrofit installations.

Deployment Considerations:

• Panic Bar Cavity Required: This latch is designed for panic bar-equipped exit doors. On retrofit flat-door installs, you'll need to either relocate the lock to a push-bar assembly or use a surface-mounted panic button (different product). Confirm door hardware before ordering.
• 12V Power Supply Availability: If your ACS does not have a spare 12VDC auxiliary output, budget for a dedicated small-format 12VDC power supply to feed the illumination. A single supply can daisy-chain to multiple buttons (typical LED draw is 20–30mA per unit).
• Dual-Contact Wiring Must Be Verified: The 1NO/1NC configuration requires correct assignment of unlock and alarm contacts at the ACS. Swapped wires will cause the alarm to trigger on door unlock or prevent unlock entirely. Wire labeling and panel testing are non-negotiable during commissioning.
• LED Brightness in Bright Ambient Light: The 12V LED is adequate for night-shift and interior wayfinding, but may appear dim in bright daylight or direct sunlight. For high-visibility outdoor panic exits, consider a separate high-brightness beacon or combine with signage.
• Momentary vs. Maintained Mode Timing: Momentary dwell time is controlled by the ACS (typically 3–5 seconds). If your facility requires longer unlock windows, confirm the ACS supports extended dwell; otherwise, users may not have enough time to exit before the lock re-engages.

The PBL-1-1-L2-GR is the right choice for facilities that demand both manual emergency egress and auditable access control logging, without the complexity of external relays or multi-product assemblies. Whether you're retrofitting a 10-door office or engineering a 500-door healthcare campus, the stainless steel durability and field-configurable signaling logic make this a dependable workhorse. For more options and technical support, visit the HES catalog.