AC-225IP-BU Access Control Panel
AC 225 IP BU is a professional access control panel supporting two standard doors and four doors with expansion. It manages up to 30000 users and stores up to 20000 events onboard. The controller includes reader ports, REX inputs, auxiliary inputs, relay outputs, RS485 connectivity, Ethernet support on IP models, programmable schedules, reader power, lock power, and optional battery backup for reliable security system operation.
- Supports two doors standard and four doors with expansion module
- Stores up to 30000 users and 20000 onboard events
- Includes reader ports, REX inputs, auxiliary inputs, and relay outputs
- Supports RS485 networking and Ethernet connectivity on IP models
- Optional battery backup supports continued operation during power loss
Supports 2 standard doors and expands to 4 doors for flexible access control system growth.
Includes 2 standard reader ports, expandable to 4, supporting Wiegand or Clock and Data readers with tamper and LED functions.
Provides 2 standard REX inputs, expandable to 4, with supervised high-impedance operation and programmable NO or NC settings.
Features 2 standard AUX/door inputs, expandable to 4, with supervised high-impedance configuration and programmable NO or NC operation.
Equipped with dry Form C relay door contacts rated 5A at 30 VDC for reliable lock control.
Includes auxiliary relay outputs rated 5A at 30 VDC for integration with additional devices.
Stores up to 30,000 users, making it suitable for medium to large access control installations.
Stores up to 20,000 onboard events when not connected to a PC for dependable event tracking.
Supports MD-D02B 2-door expansion and can be networked with up to 32 additional panels on an RS-485 network.
Offers RS-485 connectivity, with TCP/IP available on the IP model for flexible communication options.
Supports 128 time zones or weekly schedules with up to 16 segments or events per day.
Includes a universal 90–265 VAC power supply with a standard 6-foot NEMA power cord packaged inside the enclosure.
Provides power for readers and locks directly from the controller, including up to 300 mA at 12VDC for readers and up to 2A at 13.8 VDC for locks.
Supports optional 12V 7AH SLA battery backup with integrated charging circuit for approximately 3 hours of standby power.
Compact enclosure measures 14.4" x 10.4" x 3.8" and operates in temperatures from 32°F to 120°F.
| MODEL NAME | AC-225(IP)-BU |
| DOORS (STD/EXP) | 2/4 |
| DOOR RELAY TYPE | Dry Form C relay contacts |
| DOOR RELAY RATING | 5A at 30 VDC |
| READER PORTS (STD/EXP) | 2/4 |
| READER FORMAT | Wiegand or Clock and Data |
| READER FEATURES | Tamper and LED support |
| REX INPUTS (STD/EXP) | 2/4 |
| REX INPUT TYPE | High impedance supervised |
| REX INPUT PROGRAMMING | Programmable for NO or NC |
| REX INPUT DEFAULT | NO default |
| AUX/DOOR INPUTS (STD/EXP) | 2/4 |
| AUX/DOOR INPUT TYPE | High impedance supervised |
| AUX/DOOR INPUT PROGRAMMING | Programmable for NO or NC |
| AUX/DOOR INPUT DEFAULT | NC default |
| AUX OUTPUTS (STD/EXP) | 2/4 |
| AUX OUTPUT TYPE | Dry Form C relay contacts |
| AUX OUTPUT RATING | 5A at 30 VDC |
| USERS | 30,000 |
| EVENTS | 20,000 |
| ONBOARD EVENT STORAGE | Up to 20,000 events stored onboard when not connected to PC |
| EXPANSION MODULE | MD-D02 |
| SUPPORTED EXPANSION | 1 x MD-D02B 2-door expansion may be added |
| NETWORK EXPANSION | May be networked with up to 32 more panels on an RS-485 network |
| SOFTWARE SUPPORT | AxTraxNG |
| MAX NETWORKS | 32 networks |
| MAX PANELS | 1023 panels |
| CONNECTIVITY | RS-485; TCP/IP on IP model |
| RS-485 MAX DROP LENGTH | 2000 ft |
| RS-485 CABLE TYPE | 22 AWG STP 120 ohm cable |
| TCP/IP MAX LENGTH | 330 ft |
| TCP/IP CABLE TYPE | CAT5E or CAT6 Ethernet cable |
| TIMEZONES | 128 |
| WEEKLY SCHEDULES | 128 timezones or weekly schedules |
| SCHEDULE SEGMENTS | 16 segments or events per day |
| POWER SUPPLY VOLTAGE | 90 - 265 VAC |
| POWER CORD | 6 ft standard NEMA power cord supplied with panel |
| POWER CORD PACKAGING | Packaged inside the enclosure |
| SUPPLY CURRENT FOR READERS | 500 mA |
| READER POWER OUTPUT | Up to 300 mA at 12 VDC available directly from controller board |
| SUPPLY CURRENT FOR LOCKS | 2.0A at 13.8 VDC |
| LOCK POWER OUTPUT | Up to 2A at 13.8 VDC available to power locks |
| BATTERY BACKUP | Up to 7AH |
| BATTERY TYPE | Optional SLA 12V 7AH battery |
| BATTERY CHARGING | Built-in charging circuit |
| ESTIMATED STANDBY | 3 hours |
| DIMENSIONS | 14.4" x 10.4" x 3.8" |
| WEIGHT | 8.4 lbs |
| OPERATING TEMPERATURE RANGE | 32°F to 120°F |
| APPLICATION | Access control panel for multi-door systems |
| ENCLOSURE | Supplied enclosure with internal power cord packaging |
| STANDARD DOOR CAPACITY | 2 doors |
| EXPANDED DOOR CAPACITY | 4 doors |
AC-225(IP)-BU Access Control Panel from Alfa Iris is designed for professional multi-door access control applications. Supporting 2 doors standard and up to 4 doors with expansion, this controller provides reliable door management, reader connectivity, lock power, event storage, and scalable RS-485 networking for commercial security installations.
Expandable Door Control and Reliable Performance
The AC-225(IP)-BU supports 2 reader ports standard and up to 4 with expansion, compatible with Wiegand or Clock and Data readers. It includes programmable supervised REX inputs and AUX/Door inputs, along with dry Form C relay outputs rated at 5A at 30 VDC. With onboard storage for 30,000 users and 20,000 events, the panel continues recording activity even when not connected to a PC.
- 2-door standard access control panel
- Expandable to 4 doors with MD-D02B expansion
- Supports Wiegand or Clock and Data readers
- 30,000 user capacity
- 20,000 onboard event storage
Scalable Networking and System Integration
The AC-225(IP)-BU can be expanded with 1 MD-D02B 2-door expansion module and networked with up to 32 additional panels on an RS-485 network. AxTraxNG supports up to 32 networks, allowing a maximum system size of 1023 panels. Connectivity includes RS-485, with TCP/IP available on IP models, making it suitable for both local and networked access control deployments.
- Commercial buildings and offices
- Multi-door access control systems
- Apartment complexes and gated facilities
- Enterprise access control networks
Security professionals seeking a dependable and expandable access control panel can count on the AC-225(IP)-BU from Alfa Iris for flexible installation, strong onboard capacity, and seamless integration with modern access control systems. Available through trusted USA access control and CCTV dealers.
Technical Specifications
- Model: AC-225(IP)-BU
- Doors: 2 standard / 4 expanded
- Door Relays: Dry Form C relay contacts rated 5A at 30 VDC
- Reader Ports: 2 standard / 4 expanded
- Reader Compatibility: Wiegand or Clock and Data with tamper and LED
- REX Inputs: 2 standard / 4 expanded, high impedance supervised, programmable NO or NC, NO default
- AUX/Door Inputs: 2 standard / 4 expanded, high impedance supervised, programmable NO or NC, NC default
- AUX Outputs: 2 standard / 4 expanded, dry Form C relay contacts rated 5A at 30 VDC
- Users: 30,000
- Events: 20,000 onboard events
- Expansion: MD-D02B 2-door expansion module
- Connectivity: RS-485 / TCP/IP on IP model
- RS-485 Cable Length: Up to 2000 ft using 22 AWG STP 120 ohm cable
- TCP/IP Cable Length: Up to 330 ft using CAT5E or CAT6 cable
- Time Zones: 128 weekly schedules with 16 segments or events per day
- Power Supply Voltage: 90–265 VAC
- Reader Power Supply: Up to 300 mA at 12VDC from controller board
- Lock Power Supply: Up to 2A at 13.8 VDC
- Battery Backup: Optional 12V 7AH SLA battery, estimated 3-hour standby
- Dimensions: 14.4" x 10.4" x 3.8"
- Weight: 8.4 lbs
- Operating Temperature: 32°F to 120°F
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