Specifications

Tip

Additional I/O's All Sofar models are extendible with additionaly I/O's through the accessories. See accessories for more information.

Sofar Controller (Model OM1)

Property	Value
Casing material	Aluminum
Dimensions	135mm x 125mm x 50mm
Weight	615g
Ambient temperature	-10°C to +60°C
Humidity	5% - 95% non-condensing
Power supply	12Vdc, 2A via 230Vac adaptor
Interfaces	1x RS485 2x Digital input (5-50Vdc) suitable for S0 pulse counting 1x 12Vdc out, max. 60mA 2x Relay (max 1A, 50Vdc/30Vac) RJ45 gigabit ethernet
Supported device types	EV charging stations Energy meters Battery systems PV inverters Heat pumps and Switched loads
Appliance class	IEC 61140 class III appliance
Pollution degree	IEC 60664 pollution degree 3
Altitude	0 – 2000m
IP rating	IP2X

Sofar Controller (Model EDS)

Property	Value
Casing material	Aluminum
Dimensions	102mm x 73mm x 35.2mm (DIN-rail bracket and antenna not included)
Weight	500g
Ambient temperature	-25°C to +60°C
Humidity	5% - 95% non-condensing
Power supply	12V/2A power adaptor
Interfaces	4x RS485 2x USB port RJ45 gigabit ethernet
Supported device types	EV charging stations Energy meters Battery systems PV inverters Heat pumps and Switched loads
Appliance class	IEC 61140 class III appliance
Pollution degree	IEC 60664 pollution degree 3
Altitude	0 – 2500m
IP rating	IP3X

Sofar Controller (Model M1S)

Property	Value
Casing material	Plastic
Dimensions	120mm x 90mm x 30mm
Weight	150g
Ambient temperature	-20°C to +70°C
Humidity	10% - 90% non-condensing
Power supply	5V/3A power adaptor
Interfaces	2x USB port RJ45 gigabit ethernet
Supported device types	EV charging stations Energy meters Battery systems PV inverters Heat pumps and Switched loads
Appliance class	IEC 61140 class III appliance
Pollution degree	IEC 60664 pollution degree 3
Altitude	0 – 2500m
IP rating	IP3X

Sofar Ultra (Model ULT)

Property	Value
Casing material	Aluminum
Dimensions	45mm x 140mm x 200mm (width x depth x height)
Mounting	DIN rail
Weight	1.3kg
Ambient temperature	-20°C to +60°C (with 0.7 m/s airflow)
Humidity	95% relative humidity at 40°C, non-condensing
Power supply	12Vdc, 3A
Interfaces	4x RS485 (each port selectable as RS-232, RS-422 or RS-485, isolated 2500Vdc, 50-115.2 kbps) 8x Digital input (isolated 2500Vdc, dry or wet contact, max. 30Vdc) 8x Digital output (isolated, sink type, 5-30Vdc, max. 500mA per channel) 3x RJ45 ethernet: port A 2.5 gigabit, ports B and C gigabit 3x USB 3.2 Gen 2, 1x USB 2.0 2x DisplayPort 1.4
Supported device types	EV charging stations Energy meters Battery systems PV inverters Heat pumps and Switched loads
IP rating	IP20

Note

Digital outputs are not relay contacts Unlike the relay outputs of the other models, the digital outputs of the Ultra are sink type: they only switch their terminal to the digital ground. An external 5-30Vdc supply and a load in series are required, with a maximum of 500mA per channel.

Last updated September 23, 2026