IB-L201 Dry-type transformer thermostatModel Selection Instructions
| model number | functionality |
| IB-L201D | Three-phase circuit display/maximum value display; fan automatic/manual start/stop; over-temperature alarm; over-temperature trip; fault alarm; "black box" function; Fan timed excitation function; analog test function; digital compensation function; cabinet door open alarm function. |
| IB-L201E | Conventional functions are the same as the IB-L201D model, with the addition of a 4 to 20mA analog current output. |
| IB-L201F | Conventional functions are the same as IB-L201D, with the addition of RS485/232 serial communication function. |
| IB-L201G | Conventional functions are the same as IB-L201D, with the addition of a way to measure and control the ambient temperature of the computer room. |
| IB-L201I | Conventional functions are the same as IB-L201D, with the addition of a transformer core temperature measurement and alarm. |
| IB-L201L | Conventional functions are the same as those of IB-L201D, with the addition ofCooling FansFault detection and alarm. |
| IB-L201C | Conventional functions are the same as IB-L201D, with the addition of PTC150 over-temperature trip interlock control. |
(For more features contact us for the latest details)
Remarks:
1, such as: IB-L201F, L for wall-mounted iron shell temperature control box, F is the code name of the communication function;
2, E, F, G, I are function codes, function codes can be combined, the following examples:
Thermostat model: IB-L201FG, said: thermostat for wall-mounted iron shell temperature control box, its functions include: conventional functions, communication functions (F), and add all the way to the machine room environment temperature measurement and control function (G). The combination of functions of this model can be customized, if you have other functional requirements, specific and we can contact by phone.
3, if there are other special technical or functional requirements, such as Ethernet communication, Profibus communication, multi-channel temperature measurement, fiber optic temperature measurement, extended contact capacity, etc., can contact us.
IB-L201 Dry-type transformer temperature controller technical indicators
| Ambient temperature. | -20℃~+55℃ |
| Ambient humidity. | < 95% (25°C) |
| Operating Voltage. | AC 220V (+10%, -15%) |
| Operating Frequency. | 50Hz or 60Hz (±2Hz) |
| Measuring range. | -30.0℃～240.0℃ |
| Measurement Accuracy:: 1 | ±1%FS (thermostat class 0.5, sensor class B) |
| Resolution. | 0.1°C |
| Fan Output Capacity. | 9A/250VAC |
| Control output capacity. | 5A/250VAC; 5A/30VDC (resistive) |
| Thermostat power consumption. | ≤8W |
| Production Standard. | JB/T7631-2016 "electronic temperature controller for transformer" industry standard |
| Certified Standards. | ISO9001:2016 International Quality Management System Certification |
| Adoption of test standards. | IEC 61000-4:1995 International Standard |
| Adoption of technical standards. | GB/T17626-2008 Standard for Electromagnetic Compatibility Test and Measurement Techniques |
IB-L201 Dry-type transformer thermostatInstallation Diagram
Note: If this wiring diagram is inconsistent with the IB-L201 thermostat wiring diagram, the wiring diagram on the thermostat shall prevail.
