VOOL

Technical specification of the VOOL Load Management Controller (LMC), Wi-Fi and LTE versions. Values marked "LTE version" apply only to the LTE version.

Technical specification of the VOOL LMC (Wi-Fi and LTE versions).

Technical data - LMC

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Remote connectivity	OCPP 1.6, OCPP 2.0
Integration	Solar charging
Market price monitoring	EU markets
Supported number of chargers	64
Load management	Dynamic Load Management (DLM), Dynamic Phase Management (DPM), multipoint and multilevel load management
DLM response time	Below 50 ms
Firmware updates	Automatic, over the air (OTA)

Internet connectivity	Ethernet 10/100, Wi-Fi (IEEE 802.11 b/g/n), LTE (LTE version)
Local configuration	Bluetooth (LMCs manufactured from 2025); Wi-Fi hotspot on earlier LMCs
External meter	Modbus RTU (RS485), Modbus TCP/UDP
Local device network	CAN
Current input	3 × external current transformer (50–1000 A sets)
Voltage input	3-phase 230/400 VAC
Digital input	1 × DI (ripple control), −0.5 … +30 V

Modem	SIMCom SIM7070G – LTE Cat-M1 with NB-IoT and GSM/EDGE fallback; EU bands LTE B1/B3/B8/B20/B28, GSM 900/1800 MHz
SIM	Integrated GSMA eSIM (soldered, not user-replaceable)
Activation	From the VOOL Portal; typically online within 3 minutes, up to 15 minutes
Antennas	Wi-Fi version: 1 × Wi-Fi (SMA). LTE version: 1 × Wi-Fi (SMA) + 1 × LTE, both supplied

Set	Model	Window	Ratio / output	VOOL code
50 A	ZEMCTK05-14	Ø 10 mm	3000:1 · 16.7 mA	VLMCCL05
100 A	ZEMCTK04-13	Ø 16 mm	3000:1 · 33.3 mA	VLMCCL10
250 A	ZEMCTK08-21A	Ø 24 mm	3000:1 · 83.3 mA	VLMCCL25
600 A	ZEMCTK09-37E	Ø 35 mm	6000:1 · 100 mA	VLMCCL600
1000 A	ZEMCTK13-20E	Ø 45 mm	10000:1 · 100 mA	VLMCCL1000

Compliance	LVD
Electrical protection	Protection class I, overvoltage category III

Technical data - LMC

Features

External interfaces

Mobile connectivity (LTE version)

Current transformers

Safety

General specifications

Supply voltage	90–265 VAC
AC frequency	50 or 60 Hz
Dimensions (W × H × D)	61 × 87 × 77 mm (3.5 DIN modules)
Weight	0.3 kg
Mounting	DIN rail, custom
Operating temperature	−20 … +55 °C
Enclosure rating	Indoor / IP22
Standards	LVD 2014/35/EU, EMCD 2014/30/EU, RED 2014/53/EU (LTE version)
Standard warranty	5 years