
Access Control · AC42
AC42 4 Door Controller
The **Verkada AC42** is a four-door, cloud-managed access controller that secures entryways by powering four doors with Verkada or Wiegand readers and any standard door locking hardware.
SKU AC42-HW
Total MSRP$2,598
Hardware $1,999 + 1 door license (3-yr) $599
Door license term
Doors connected
1of 4 · one door license each
Hardware$1,999
Door license · 3-yr × 1$599
Total MSRP$2,598
Authorized Verkada reseller · cloud licensing configured at checkout
Overview
The Verkada AC42 is a four-door, cloud-managed access controller that secures entryways by powering four doors with Verkada or Wiegand readers and any standard door locking hardware.
- Powers four doors, each port supporting two REX devices and a door position indicator (DPI) for native in/out door support
- Works with Verkada or third-party (Wiegand) readers and any standard door locking hardware via a terminal block design
- Onboard storage and processing keeps the device operating even if it loses power or its internet connection
- Fire alarm interface (FAI) automatically removes power from maglocks during a fire alarm for faster egress and firefighter access
- Supports two 12V AUX devices and remote door unlock from Command or the Verkada Pass app
- 10-year warranty; NDAA-compliant with UL 294 and CE/UKCA listings
Specifications
- Power consumption
- 60W maximum
- AC power input
- 100-240VAC 50/60Hz 1.5A maximum
- AUX power
- 1x 12V @ 250mA
- Inputs
- 2x REX dry inputs per door; 1x DPI dry input per door; 2x auxiliary dry inputs
- Readers
- 1x reader port (Verkada/RS-485 or Wiegand) per door. Reader current consumption must be < 250mA per reader. Note: max of 4 readers can be powered simultaneously
- Connectivity
- Ethernet: 10/100Mbps RJ-45 for network connection; USB 2.0
- Dry relays (external power supply)
- Dry relay max pass-through power: 24VDC @ 2A (resistive load); 2x auxiliary dry relays
- Wet relays (powered by AC42)
- Wet relay switch-selectable power: 12V operation 700mA max; 24V operation 350mA max
- Contact sensors
- 4 Contact Sensors; Nominal 5VDC; 1Kohm to each input (resistors built-in)
- Operating temperature
- 0°C - 50°C / 32°F - 122°F, 5–90% humidity
- Compliance & safety
- FCC Part 15 Class A, ICES-3 Class A, CE, UKCA, RCM, VCCI, UL 294, CAN/ULC 60839-11-1, UL 62368-1, CSA C22.2 No. 62368-1, IEC 62368-1, NDAA
- Availability
- USA, CAN, IN, UK, EU
- Dimensions
- Height: 417.0mm / 16.4in; Width: 321.0mm / 12.6in; Depth: 116.3mm / 4.6in
- Weight
- 6.4kg / 13.9lbs
- Mounting options
- Mounting plate and four wood screws
- Included accessories
- Lock key and flat head screwdriver
- Warranty
- 10 years




