KEBA KeContact M20 Technical Data

Design

Front view of the KeContact M20 device.

Rear view of the KeContact M20 device.

Product

General Information

• Maximum charging stations that can be managed:
  • mini / small / medium / large: 10 / 20 / 40 / 200
• Maximum number of zones: 15
• Connection protocol: Modbus TCP
• OCPP Backend: Configurable (1.5 / 1.6)

Power Supply

Embedded PC

• Supply voltage: 9 – 36 VDC
• Power: Max. 30 W

Power Supply Unit

• Supply voltage: 100 – 240 VAC (50/60 Hz)
• Output voltage: 24 VDC
• Output power: Max. 60 W
• Overvoltage category: II according to EN 60664
• Protection class: II

Environmental Conditions

• Usage: Indoors
• Access restrictions at installation location: Restricted access (electrical cabinet)
• Mounting (stationary):
  • Embedded PC: On the wall or on a U-shaped rail
  • Power supply unit: Only on the U-shaped rail
• Operating temperature: -20 °C to +55 °C
• Storage temperature: -40 °C to +85 °C

Interfaces

Ethernet Interface

• Number: 1 (RJ45)
• Data transfer rate: 10/100/1000 Mbit/s
• Potential separation screen connection: No

USB Interface

• Number: 4
• Type: A, USB 3.0

Serial Interface *)

• Number: 4
• Type: RS-232/422/485
• *) This interface is currently not yet activated.

Mobile Radio

• Category: LTE Cat.4
• LTE bands: LTE-FDD B1/B3/B5/B7/B8/B20/B28, LTE-TDD B38/B40/B41
• GSM bands: 900/1800 MHz

SIM Card

• Type: Nano (4FF)

LTE Antenna Interface

• Number: 2
• Type: SMA

LTE Antenna

• Type: LTE dual antenna
• Cable: 2 m LL 100 with SMA-Male connectors
• Protection type: IP67

Certifications

• CE Declaration of Conformity: Yes

* Information on certifications can be downloaded from the KEBA website: www.keba.com/emobility-downloads

Dimensions and Weight

LTE Antenna

• Width (W): 80 mm
• Height (H): 14.7 mm
• Depth (D): 74 mm
• Mounting: Mounting with M10x1 screws

Fig. 1-1: Schematic representation, dimensions in millimeters. A diagram showing a rectangular prism representing the LTE antenna with dimensions labeled W (width), H (height), and D (depth). Mounting holes are indicated, suggesting attachment via M10x1 screws.

Embedded PC

• Width (W): 188.5 mm
• Height (H): 33 mm
• Depth (D): 127.8 mm
• Weight: 700 g

Fig. 1-2: Schematic representation, dimensions in millimeters. A diagram showing a rectangular prism representing the embedded PC with dimensions labeled W (width), H (height), and D (depth). Mounting holes are indicated.

Power Adapter

• Width (W): 54.1 mm
• Height (H): 90.9 mm
• Depth (D): 55.6 mm
• Weight: 200 g

Fig. 1-3: Schematic representation, dimensions in millimeters. A diagram showing a rectangular prism representing the power adapter with dimensions labeled W (width), H (height), and D (depth). Connection ports are indicated.

Country-Specific Features

Austria

• Compatibility with TOR: Yes, if the TOR function is activated (in combination with Client P30 charging stations in one charging network).
• Supported TOR functions for Client P30 charging stations:
  • Under-voltage control, frequency control after power interruption, and waiting time.
  • Gradual increase of charging current (ramp) up to the set maximum value.