Model

Structure

Function & Feature

YD2301T

Integrated

²        The motor protector replaces the thermal relay protection by adopting Normal Close Contact Output.

²        The running of the protected motor will not be interrupted when the protector stopped due to power failure.

²        RS485 module is optional.

YD2302T

The display part and the controlling part are separated

YD2301L

Integrated

²        Multiple startup modes are available; current protection;

²        RS-485 communication;

²        One route DC4-20mA output (optional).

YD2302L

The display part and the controlling part are separated

YD2301C

Integrated

²        Multiple startup modes are available; current and voltage protection;

²        One route DC4-20mA output (optional);

²        RS-485 port.

YD2302C

The display part and the controlling part are separated

YD2310

The display part and the controlling part are separated

²        Universal protections and measuring;

²        4-20mA(or thermal resistance) input;

²        Real-time clock;

²        1~19 harmonics analysis;

²        Two routes of RS-485 ports;

²        One route of DC4-20mA output(optional)

 YD23                                                  

Model

Rated Current

Controlling Mode

Code

Additional Function

Code

YD2301T

1A

Direct Startup

4-20mA Output

M1

YD2302T

5A

Two-way Startup

     Thermal protection

T

YD2301L

10A

Y/ Startup

Leakage Protection

L

YD2302L

50A

Autotransformer Step-down Startup

4-20mA Input

M2

YD2301C

100A

Note: a. Functions with only applicable for YD2310;

b. Built-in current transformer is used for rated current not more than 100A; independent specialized current transformer is needed when rated current is over 100A; Output current of CTs the secondary side is 1A.

YD2302C

250A

YD2310

500A

820A

Parameters of performance

Rated Working Voltage

AC380V/660V, 50Hz

Rated Working Current

1A0-1A, 5A1A-5A, 10A1A-10A, 50A10A-50A, 100A50A-100ABuilt-in CT; 250A100A-250A, 500A250A-500A, 820A250A-820AIndependent CT

Power supply

AC85V-265V, 50Hz or DC85V-330V

Capacity of Relay Output Contact

AC250V  5A

Accuracy

Current

±1.0%≤120%Ie, ±3.0%120%Ie~800%IeYD2301/YD2302

±0.5%≤120%Ie, ±2.0%120%Ie~800%IeYD2310

Voltage

YD2301C/YD2302C±1.0%, YD2310±0.5%

Frequency

±0.05HzYD2310

Power Factor

±1%YD2310

Power

±1%YD2310

Energy

±1%YD2310

Electric Insulation Resistance

Insulation Resistance

100MΩ/500V

Insulation for Medium Intensity

2kvr.m.s, 50Hz, 1min

Working Conditions

Operating Conditions

Temp: -1055, 20%RH-95%RH

Storage Conditions

Temp: -2570, 20%RH-95%RH

Atmospheric Pressure

80kPa∼110kPaRelative altitude less than 2KM

Electro-magnetic Compatibility

Electrostatic Discharge

Electrostatic Discharge Test  GB/T 14598.14idt IEC60255-22-2: Class Contact discharge: 8kV

Radiated, Radio- frequency, Electromagnetic field Immunity

Radiated, Radio- frequency, Electromagnetic field Immunity Test GB/T 14598.10idt IEC60255-22-4: Class 40db μV/m

Electrical Fast Transient Burst Immunity

Electrical Fast Transient Burst Immunity Test GB/T 14598.10idt IEC60255-22-4: Class Communication Port: 2 kV, other ports: 4kV

Surge (Impulse) Voltage

Standard Lightening Wave Impulse Voltage Test GB/T 14598.3-1993eqv IEC60255-5:

Peak value: 4kVheavy currentor 1kVweak current