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Basic 4G Smart MCB 2P product image
IOTB2-J 4GS

Basic 4G Smart MCB

Product name
Basic 4G Smart MCB
Product model
IOTB2-J 4GS
Communication
4G
Rated voltage
AC220/230V (2P) / AC380/400V (4P)
Rated frequency
50/60Hz
Current range
6A / 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A / 80A
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Section

Core functions

4G remote access

For sites without broadband or Wi-Fi, status viewing and remote control are done over 4G.

Remote open and close

Supports authorized switching on/off and status feedback for quick response at unattended sites.

Status monitoring

Key measurements such as voltage, current, power and electrical energy can be viewed for a single circuit.

Exception alarm

Alerts on abnormal conditions such as overload, short circuit, over- and under-voltage and overtemperature.

Section

Product details

Basic 4G Smart MCB

Applications

The basic 4G smart MCB is used at single-circuit points without broadband or WiFi, providing status viewing, remote opening/closing and basic abnormality alerts over 4G.

Product appearance

Basic 4G Smart MCB 2P product image
The 2P version is for single-phase circuits; the product photo is based on the physical product documentation for the basic model.
Basic 4G Smart MCB 4P product image
The 4P version is for three-phase circuits; the product photo is based on the physical product documentation for the basic model.

Selection overview

Item
Product series
Specification
IOTB2-J 4GS basic model
Item
Communication
Specification
4G (CAT1)
Item
Rated voltage/frequency
Specification
AC220/230V (2P) / AC380/400V (4P); 50/60Hz
Item
Installation dimensions
Specification
2P: 54 x 90 x 49.5mm; 4P: 90 x 90 x 49.5mm; antenna side 65.5mm
Item
Electrical characteristics
Specification
Breaking capacity 6kA; trip time ≤0.1s; short-circuit trip ≤0.04s
Item
Control and maintenance
Specification
4G auto-connect; remote open/close; remote lockout / local lockout; combined manual and automatic control
Item
Standby and environment
Specification
Standby power consumption <3W; ambient temperature -20 °C to 70 °C; IP20
Item
Certifications
Specification
CCC / CE / CQC / SRRC
ItemSpecification
Product seriesIOTB2-J 4GS basic model
Communication4G (CAT1)
Rated voltage/frequencyAC220/230V (2P) / AC380/400V (4P); 50/60Hz
Installation dimensions2P: 54 x 90 x 49.5mm; 4P: 90 x 90 x 49.5mm; antenna side 65.5mm
Electrical characteristicsBreaking capacity 6kA; trip time ≤0.1s; short-circuit trip ≤0.04s
Control and maintenance4G auto-connect; remote open/close; remote lockout / local lockout; combined manual and automatic control
Standby and environmentStandby power consumption <3W; ambient temperature -20 °C to 70 °C; IP20
CertificationsCCC / CE / CQC / SRRC

Pole and model configuration

Category
2P
Model/Specification
IOTB2-[rated current]/2J(4GS)
Current / modules
6A / 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A / 80A; width 54mm
Category
4P
Model/Specification
IOTB2-[rated current]/4J(4GS)
Current / modules
6A / 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A / 80A; width 90mm
CategoryModel/SpecificationCurrent / modules
2PIOTB2-[rated current]/2J(4GS)6A / 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A / 80A; width 54mm
4PIOTB2-[rated current]/4J(4GS)6A / 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A / 80A; width 90mm

Provisioning, operation and delivery checks

Item
Networking method
Specification
4G products connect to the network automatically on power-up, with no need for on-site broadband or Wi-Fi
Item
Add and view
Specification
Devices can be added by scanning the QR code or entering the SN, with access to status, detailed data and operation records
Item
Status and buttons
Specification
Status LEDs indicate communication, maintenance lockout and open/closed state; the local buttons switch the breaker on and off
Item
Wiring and installation
Specification
2P / 4P DIN rail mounting; 2P: 54 x 90 x 49.5mm; 4P: 90 x 90 x 49.5mm; antenna side 65.5mm
Item
On-site inspection
Specification
Check the 4G signal, supply voltage, load capacity, terminal tightness and alarm status
ItemSpecification
Networking method4G products connect to the network automatically on power-up, with no need for on-site broadband or Wi-Fi
Add and viewDevices can be added by scanning the QR code or entering the SN, with access to status, detailed data and operation records
Status and buttonsStatus LEDs indicate communication, maintenance lockout and open/closed state; the local buttons switch the breaker on and off
Wiring and installation2P / 4P DIN rail mounting; 2P: 54 x 90 x 49.5mm; 4P: 90 x 90 x 49.5mm; antenna side 65.5mm
On-site inspectionCheck the 4G signal, supply voltage, load capacity, terminal tightness and alarm status
Basic 4G Smart MCB wiring diagram
The basic-model instruction manual gives 2P and 4P wiring diagrams; on-site installation must be carried out by a qualified electrician.
Basic 4G Smart MCB dimensional drawing
The instruction manual gives the 2P / 4P overall dimensions, DIN rail mounting dimensions and the 65.5 mm antenna-side dimension.
Section

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