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NDD4A-S (JD-501S) Digital display intelligent motor protection
NDD4A-S (JD-501S) Digital display intelligent motor protection
NDD4A-S (JD-501S) Digital display intelligent motor protection
NDD4A-S (JD-501S) Digital display intelligent motor protection
NDD4A-S (JD-501S) Digital display intelligent motor protection
NDD4A-S (JD-501S) Digital display intelligent motor protection

NDD4A-S (JD-501S) Digital display intelligent motor protection

Rated voltage: AC380V 50HZ
Rated setting current: 20~50A
Phase breaking action time: ≤2S
Contact capacity: 5A 380V (resistance)
Reset mode: panel button reset or power off reset
Start avoidance time: 15S
Installation method: device type

Useage

This series of intelligent motor protectors (hereinafter referred to as protectors) are suitable for ac 50Hz, rated working voltage 380 and below power supply circuit, ac contactor and other switching electrical appliances composed of motor control circuit.When the main circuit of the motor is in abnormal working conditions, such as phase break, overload, blocking, leakage, etc., disconnect the contact of the switch in time, and separate the three-phase power supply of the motor to protect the motor quickly and reliably.

Main technical data

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Appearance and installation dimensions

Product parameters

Brand

Naidian

Name

Intelligent motor protector

Model

NDD4A-S (JD-501S)

Rated Voltage

AC380V 50HZ

(Other voltage classes can be customized)

Rated setting current

20~50A

Phase break action time

≤2S

Contact capacity

5A 380V (resistance)

The method of Reset

Panel button reset or power off reset

Start avoidance time

15S

Installation

The device type

 

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