Naidian Group Co., Ltd.

home products Motor protector ND-21 Protector relay

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ND-21 Protector relay

Product Details:

Place of Origin	Zhejiang, China (Mainland)
Theory	over current
Usage	Protective
Size	Subminiature
Brand Name	Naidian
Model Number	ND-21

Payment & Shipping Terms:

Minimum Order Quantity:	200 Piece/Pieces
Packaging Details:	Standard export packing
Delivery Time:	Within 15 days
Payment Terms:	L/C,T/T,Western Union
Supply Ability:	25000 Piece/Pieces per Month

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Detailed Product Description

ND-21 Protector relay

dvantages:

1.Micro-miniature

2.Over-current/open-phase/satll proteceion

3.Separate setting for starting delay time/overloading delay time

4.Display function and confirmation for actual current value,and

Function of detection for minimum current of 0.1A

5.Manual(instant)/power-off repositioning

6.Strong capability of bearing environmental influence,and

7.Energy conservation

Usage:

protect the low-voltage motor (less than 600V)/high-voltage motor (high-voltage CT shall be applied if the voltage is more than 600V);Protect special equipment from inrush current.

Setting the range of current value Motors of 0.1-600A in current can be protected by protectors of three specifications

LED Status Display

Testing/repositioning button

This button acts as the testing button if fhere is no current passing the transducer;

This button acts as the repositioning key if it is pressed after the priection

Setting methods