LiftMaster LM21XPBB Extended Performance Release Device

LiftMaster LM21XPBB Extended Performance Release Device | The LiftMaster LM21XPBB is a fire and emergency exit safety device designed to regulate door operation in critical situations. It requires a 10k electrical resistive edge for functionality and can be activated by other warning systems, such as smoke alarms. It also supports battery backup, allowing for the use of additional safety features like horn strobe devices.

PRODUCT HIGHLIGHTS | TECHS | SPECS

• Device transmits emergency alert signals to doors and actuate door placement
• Single-slide
• Rolling doors
• Sliding-inclined door
• Center-parting doors
• Sensing edge required for installation
• Device uses a 10k resistor
• 10, 20, 30 and 60 second detection-to-alarm delay
• Battery back up adaptable
• SLA | 12V | 5Ah
• Tie-in up to 4 smoke detectors and 2 horn strobes


• HARD SPECS AND TECHS
• Voltage Rating: 120vac, 60hz; 24 Vac; 24VDC
• Standby Current: 0.06A; 0.3A; 0.2A
• Alarm Current: 0.6A; 0.3A; 0.25A
• Battery Rating: 12v 4.5ah Or 5.0ah Sealed Lead Acid Batteries (2), Maximum Charge Current .150amps
• Battery Standby Time: LM21XPBB, 72 hours; LM21XPBBVB, 24 hours
• Fuses: 3A @ 250v, 2AG Slo-Blo Type
• Initiating Device:
• Maximum line impedance 20 ohm;
• Maximum current not to exceed 0.010A.
• Maximum voltage 24Vdc
• Auxiliary power: 24 VDC @ 0.5A Maximum
• Common alarm trouble relays: 0.5A 125 VAC ; 60Hz
• Max contact rating: 1A 24 VDC Resistive
• Load Rating: support and release 40 lbs max
• XPBB is free standing release with battery backup for sites where unit is NOT powered off the UL1481 regulated power supply with battery backup
• **Device may require the purchase of additional data board, logic-related items, limit switches and or powering accessories**
• Physical Dimensions
• 9.7 in H
• 7.5 in W
• 5 in D
• Weight: 18 lbs