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BluCHIP 4502-2R/8I/4O-E2MLPM (750-4200)

Mercury EP4502 Two Reader/ Eight Input/ Four Output System w/ Managed Lock Power and Power Management for Four Doors 

The BluCHIP 4502-2R/8I/4O-E2MLPM is a unified Two Reader/ Eight Input/Four Output System w/ Managed Lock Power and Power Management for Four Doors and expansion space to support two additional readers. The kit is configured with space to add backup battery and utilizes an FPO power supply to generate 24VDC and a B100 to generate 12VDC. It includes a Mercury EP4502 board, a locking four door enclosure with tamper, power supply and wiring speed kit. Local managed lock power, power monitor and control is included. It is expandable to four readers with one Mercury MR52 board. Remote management and reporting of power supply and battery health are available through BluSKY Power Diagnostics.

System Features

FPO offline power supply

  1. 120 or 230 VAC input
  2. 12 and 24 VDC outputs
  3. On board Fire Alarm Interface
  4. Continuous and resettable DC

Distributed output module

  1. Four, controlled fused at 3A each
  2. Eight, auxiliary Class II P limited at 2.5A each

Expansion options

  1. Increased power, multiple voltages
  2. Additional distribution outputs
  3. Power management

Enclosure Features

Labor saving design

  1. Unified power and security in one enclosure
  2. Pre-wired power section
  3. Removable backplate simplifies installs
  4. Speed kit is included for power and data wiring

Additional benefits

  1. Wire management room
  2. 4.5” enclosure depth fits battery set
  3. Tamper switch, lock, dual key set standard
  4. Mounting hardware for access boards included


Input Power:
  1. Input 120/230VAC 50/60Hz | 100 Watts
  2. Overload and short circuit protection
  3. Over temperature protection
  4. Polarized AC power supply disconnect

Output Power:

  1. 75W Total Output Power | 12VDC/6A or 24VDC/3A
  2. 5-18VDC @ 4A Max. | FPO Board Outputs: Continuous (DC1), Resettable (DC2)
  3. 8 Managed Outputs, Class 2 PL @ 2.5A each
  4. 120mV Output Voltage Ripple | System Efficiency: 85% | System BTU Rating: 33 BTU/Hr

Battery Charging:

  1. Independent built-in 1A (FPO75) Charger for sealed lead-acid or gel type batteries
  2. Microprocessor dual rate charging of 12 or 24V battery sets
  3. Automatic switchover to standby battery when AC fails
  4. Zero voltage drop when switched over to battery backup

Regulatory Compliance:

  1. UL294, UL603, UL864, UL1076, UL1481, UL2044, UL2572, ULC S318, ULC S319, ULC S527, CSA C22.2 #107.1, FCC Part 15, CSFM Approved

Access Panel:

  1. (1) EP4502
    1. 2 Readers | 8 Inputs | 4 Outputs

Size and Weight:

  1. 20.00”H x 16.00”W x 4.50”D | 28 lbs.

Recommended board layout

Kit Includes

MFG Part # BluBØX Order # QTY Description
EP4502 120-1300 1 Mercury EP4502: Two door DB controller Ethernet 12/24VDC Auxiliary I/O
E2ML-SK-2T 577-3030 1 BluBØX E2ML-SK-2T Speed Kit: Two board precut DC power, RS485 and lock trigger wiring kit
FPO75-B100M8PNL4E2M 670-1461 1 LifeSafety Power: Four door power supply w/ power distribution and management, includes enclosure

Expansion Options

MFG Part # BluBØX Order # QTY Description
MR52 120-2500 1 Mercury MR52: Two door controller & auxiliary I/O 12/24VDC

Ordering Information

BluBØX Order # Description
750-4200 Mercury EP4502: Two reader/Eight Input/Four Output System w/ Managed Lock Power and Power Management for Four Doors

Additional Resources



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