KA-R31B B-mount Hotswap Plate for MINI / MINI LF

›  Dedicated for Alexa MINI / MINI LF install

›  B-mount battery attach

›  8-pin LEMO output to camera

›  28V, 32Wh 3Ah battery cells inside

›  200W constant high load

›  At least 2 minutes run time

›  120 seconds countdown display

›  2x D-tap regulated 14V output

›  1x 2-pin LEMO regulated 14V output

›  USB 5V/2A x1 power output

›  22-33.6V 8-pin input for power station hotswap

›  3GSDI 1-2 distribution with SDI isolater

›  Aluminum CNC unibody housing

›  Multiple circuit protections


Features

B-mount Hot-swap Plate

KA-R31B is a B-mount hot-swap plate for ARRI Alexa MINI / MINI LF install with SDI 1 in 2 out distribution and isolater, power cameras at 28.8V (22-33.6V) by 8-pin DC-IN. When remove the B-mount battery, 8-pin DC output Reg. 28V for hotswapping. You don’ t need to switch off the camera when changing battery.

ALEXA MINI/MINI LF install

KA-R31B matches with ARRI original MINI / MINI LF support system by connection with RAB-1 Clamp 2 (K2.0023406).

* KA-R31B doesn’ t include the K2.0023406 clamp.

2mins at 200W load

KA-R31B has 32Wh/3Ah battery cells inside, 200W constant high load, even after 1000 cycle times, the plate can still ensure 2 minutes hot swap time for changing battery.

120s Countdown Display

KA-R31B provides an LCD screen to display countdown seconds when changing battery. When battery is removed, the screen will countdown from 120 seconds. You just need to put on a new battery before it count down to 0.
The new battery will charge the hotswap plate as well. You can see the countdown seconds will go back to 120 after a period of time.

Power and SDI Distribution

KA-R31B provides:
1x 8-pin 28V to ALEXA MINI/MINILF
2x D-tap 14V Reg. output
1x 2-pin LEMO 14V Reg. output
1x USB-A 5V/2A output
1x 8-pin 22-33.6V input (For power station hotswap)

And supports 3GSDI 1 to 2 distribution, with SDI isolater inside, to prevent other camera top SDI devices damage the camera SDI port.

15mm Rod Adaptor

KA-R31B provides with a free 15mm Rod Adaptor in the package, to install on the old style ALEXA MINI 15mm rig system.

Inner battery voltage

28V regulated

Inner battery capacity

32Wh/3Ah

Power load

200W constant high load

8-pin LEMO output

Attach battery: 22-33.6V to camera

Remove battery: 28V / 200W to camera

D-tap output x2

14V regulated, 70W

2-pin LEMO output

14V regulated, 70W

USB-A output

5V, 10W/2A

8-pin LEMO input

22-33.6V

BNC x1

3G/HD/SD-SDI input

BNC x2

3G/HD/SD-SDI distribution output

Dimensions

93×143×54.4mm

Net weight

818.5g

Basic Package

MSRP

MSRP

MSRP

  • 15mm Rod Adaptor

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    B-mount Hotswap Plate for MINI / MINI LF

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