Our full range of STS smart meters.
Split prepaid meters, each in two parts: a Metering and Control Unit in the cabinet and a Customer Interface Unit with keypad in the home. Built to DLMS/COSEM and STS standards, with anti-tamper protection and remote management. Panel-mount for homes and businesses, DIN-rail for cabinets and sub-metering, each with a matching GFRP meter box. Every meter is Arotob-branded, made in China and assembled in Nigeria.
Panel-mount meters
Single-phase, 1P2W
The everyday meter for households and small businesses, accurate billing, real-time monitoring and user-friendly energy management.
- Type1P2W split, MCU + CIU
- CommsPlug-in 4G/GPRS/RF/PLC
- StandardDLMS/COSEM, IEC62056-21
- BillingPrepaid and postpaid
Main features+
- +DLMS/COSEM standard compliant
- +IEC62056-21 optical port and VTC for easy data interrogation
- +Operates in both prepayment and postpayment
- +Measures active energy, reactive power, current, voltage and maximum demand
- +Programmable load limit and low-credit warning
- +Tamper detection and logging, cover opening, reverse current, bypass, phase or neutral issues, magnetic disturbance, last gasp
- +6 integers and 2 decimal digits, with replaceable battery
Full technical specification+
Full electrical specification available on request, to be published soon.
Three-phase, 3P4W
Built for larger installations such as commercial and industrial facilities, advanced energy management, multi-tariff options and anti-fraud protection.
- Type3P4W split, MCU + CIU
- CommsUplink 4G/GPRS/RF/PLC
- Voltage3×230/400V
- Max current100A
Main features+
- +DLMS/COSEM standard compliant
- +IEC62056-21 optical port and VTC for easy data interrogation
- +Operates in both prepayment and postpayment
- +Measures active energy, reactive power, current, voltage and maximum demand
- +Programmable load limit and low-credit warning
- +Tamper detection and logging, cover opening, reverse current, bypass, phase or neutral issues, magnetic disturbance, last gasp
- +6 integers and 2 decimal digits, with replaceable battery
Full technical specification+
- Nominal voltage (Un)3×220/380V, 3×230/400V
- Limited voltage60%–120% Un
- Frequency (Fn)50/60Hz
- Basic current (Ib)5A
- Maximum current (Imax)100A
- Starting current (Ist)30mA
- Energy constant1000 imp/kWh
- AccuracyClass 1.0
- Operation temp.-25℃ to +70℃
- Storage temp.-40℃ to +85℃
- Insulation4kV rms 1min, impulse 6kV
- Shell protectionIP54
- Max cable size10 mm²
DIN-rail meters
DIN-rail, PLC
Arotob-branded G3-PLC DIN-rail meter. Split MCU and CIU, the CIU sits in the home while the MCU stays in the meter cabinet.
- Type1P2W DIN-rail split
- CommsPLC, M-Bus/RF/PLC capable
- Rating230V 5(80)A, IP54, Cl.1
- StandardIEC 62052-11, 62053-21
Main features+
- +DLMS/COSEM standard compliant
- +IEC62056-21 optical port for easy data interrogation
- +Operates in both prepayment and postpayment
- +Measures active energy, power, current and voltage
- +Programmable load limit and low-credit warning
- +Tamper detection, cover opening and reverse current
- +Cuts supply on overload after 5 minutes, on no credit, or on cover opening
- +MCU and CIU LED indicators, 1000 imp/kWh, credit, alarm, comm
Full technical specification+
Full electrical specification available on request, to be published soon.
DIN-rail, M-BUS
Wired M-BUS communication for reliable, interference-free reads in metering cabinets and concentrated installations.
- Type1P2W DIN-rail split
- CommsM-BUS, wired
- Max current60/80/100A
- ShellIP66
Main features+
- +DLMS/COSEM standard compliant
- +IEC62056-21 optical port for easy data interrogation
- +Operates in both prepayment and postpayment
- +Measures active energy, power, current and voltage
- +Programmable load limit and low-credit warning
- +Tamper detection, cover opening and reverse current
- +Cuts supply on overload after 5 minutes, on no credit, or on cover opening
- +MCU and CIU LED indicators, 1000 imp/kWh, credit, alarm, comm
Full technical specification+
- Nominal voltage (Un)120/220/230V
- Limited voltage70%–120% Un
- Frequency (Fn)50/60Hz
- Basic current (Ib)5A
- Maximum current (Imax)60/80/100A
- Starting current (Ist)20mA
- Energy constant1000 imp/kWh
- AccuracyIEC 62053-21, Class 1.0
- Operation temp.-25℃ to +70℃
- Storage temp.-40℃ to +85℃
- MCU dimensions140 × 58 × 90 mm
- CIU dimensions127.5 × 63.4 × 30 mm
- Shell protectionIP66
- TerminalsBottom in, bottom out
DIN-rail, RF
Wireless RF communication for clustered meters, basic current of 5A with a maximum of up to 100A, ideal where running cable is impractical.
- Type1P2W DIN-rail split
- CommsRF, wireless
- Max current60/80/100A
- ShellIP66
Main features+
- +DLMS/COSEM standard compliant
- +IEC62056-21 optical and VTC port for easy data interrogation
- +Disconnects on overload and on no credit
- +Operates in both prepayment and credit
- +Programmable load limit and low-credit warning
- +Tamper detection, cover opening, reverse current, missing neutral, bypass, power down
- +Downlink communication between MCU and CIU is RF
- +Ultrasonic welded main cover and base, 6 plus 2 decimal digits
Full technical specification+
- Nominal voltage (Un)120/220/230V
- Limited voltage70%–120% Un
- Frequency (Fn)50/60Hz
- Basic current (Ib)5A
- Maximum current (Imax)60/80/100A
- Starting current (Ist)20mA
- Energy constant1000 imp/kWh
- AccuracyIEC 62053-21, Class 1.0
- Operation temp.-25℃ to +70℃
- Storage temp.-40℃ to +85℃
- MCU dimensions140 × 58 × 90 mm
- CIU dimensions127.5 × 63.4 × 30 mm
- Shell protectionIP66
- TerminalsBottom in, bottom out
GFRP meter boxes
Panel-meter box
The larger GFRP enclosure. By size it takes both single-phase and three-phase panel meters, with a main breaker and a clear viewing window.
- FitsSingle-phase and three-phase
- MaterialGFRP composite
- ProtectionIP54, IK10
Main features+
- +Glass-fibre reinforced polyester body
- +Self-extinguishing at 960℃, heat resistant above 125℃ and UV resistant
- +Transparent window for meter reading
- +IK10 mechanical impact protection
- +IP54 high degree of protection
- +Holds the meter and main circuit breaker
- +Wall or pole mounting, triangle sealable
Full technical specification+
- MaterialGlass-fibre reinforced polyester
- ProtectionIP54, IK10 impact
- Fire and UVSelf-extinguishing at 960℃, UV resistant
- WindowTransparent for meter reading
- SealingTriangle sealable on/off
- Input/outputCable gland, 2 in/out, 70mm²
- MountingWall or pole
- Frequency50/60Hz
- Nominal voltageup to 690V
- Nominal current10A–225A
- Ambient temp.-25℃ to +50℃
DIN-rail meter box
The compact GFRP enclosure used for the DIN-rail meters, the same box fits the PLC, M-BUS and RF versions, with a main breaker and viewing window.
- FitsAll DIN-rail meters
- MaterialGFRP composite
- ProtectionIP54, IK10
Main features+
- +Glass-fibre reinforced polyester body
- +Self-extinguishing at 960℃, heat resistant above 125℃ and UV resistant
- +Transparent window for meter reading
- +IK10 mechanical impact protection
- +IP54 high degree of protection
- +Holds the meter and main circuit breaker
- +Wall or pole mounting, triangle sealable
Full technical specification+
- MaterialGlass-fibre reinforced polyester
- ProtectionIP54, IK10 impact
- Fire and UVSelf-extinguishing at 960℃, UV resistant
- WindowTransparent for meter reading
- SealingTriangle sealable on/off
- Input/outputCable gland, 2 in/out, 70mm²
- MountingWall or pole
- Frequency50/60Hz
- Nominal voltageup to 690V
- Nominal current10A–225A
- Ambient temp.-25℃ to +50℃
Certified, secure, and made to last.
Every Arotob meter is DLMS/COSEM and STS compliant, built to IEC standards that keep billing fair, with anti-tamper protection and remote management as standard.
STS prepaid certified
Standard Transfer Specification tokens, compatible with national vending.Anti-tamper and reverse-current
Detection and alerts that protect your account and the network.Arotob-branded, assembled in Nigeria
Made in China to our specification and assembled locally in Nigeria.Our services.
Every aspect of metering and energy management, from installation to ongoing support.
Smart meter installation
Seamless installation of single-phase and three-phase smart meters, with reliable after-service support for continued performance.
Prepaid and postpaid
Flexible metering that makes energy simple, monitor usage and manage payments your way, with full control over consumption.
Anti-tamper protection
State-of-the-art anti-fraud features that guard against energy theft and keep usage fair and transparent for everyone.
Remote monitoring
Meters managed and read remotely, so issues are spotted early and performance stays reliable over the long term.
Customized configuration
Programming and configuration aligned to different tariff structures and communication protocols for seamless integration.
After-sales support
A 12-month general meter warranty and a 48-hour fault response, with priority handling for emergencies.
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