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ZHRA3

Built-in microprocessor,installed in a cabinet or 1/4 drawer unit.Current measurement accuracy≤0.2%.Button setting,LCD backlit display current,fault status.5 optional adjustable overload characteristic.With 1-set changeover and1-set auxiliary NO contacts.Enable star-delta and auto buck starts.Optional 4mA~20mA analog output and RS485 communication interface,support Modbus protocol,available network communication.

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Description

General

Applications

Used in switchgear,air conditeoning units,elevator machine room,pumpsm,fans and other motor control applications,With overload,phase loss,phase unbalance and stall protection.

Features:

Built-in microprocessor,installed in a cabinet or 1/4 drawer unit.Current measurement accuracy0.2%.Button setting,LCD backlit display current,fault status.5 optional adjustable overload characteristic.With 1-set changeover and1-set auxiliary NO contacts.Enable star-delta and auto buck starts.Optional 4mA~20mA analog output and RS485 communication interface,support Modbus protocol,available network communication.

Model Description

Model Selection Table

Model

Rated working current range

Applicable motor power

Communication

4mA~20mA

output

Note

ZHRA3-5

1A~5A

0.55kW~2.2kW

Optional

Optional

Once core through

ZHRA3-10

2A~10A

1.1kW~4kW

ZHRA3-30

6A~30A

3 kW~15kW

ZHRA3-50

10A~50A

5.5kW~22kW

ZHRA3-200

40A~200A

22kW~90kW

Technical Parameters

Rated control supply voltage

AC/DC100V~240VAC220V 、AC380V 50/60Hz

Setting current range

1A~5A2A~10A6A~30A10A~50A40A~200A

Protection

Overload,underload and current imbalance,phase loss stall,grounding,temperature

Setting mode

Button setting

Start time

2s~120s adjustable

Tripping class

tripping class(5,10,10A,20,30)

Current unbalance rate

40%~90% adjustable


50mA~5000mA adjustable

Stall protection

Stall current ration 1.2 to 6.0 adjustable,stall protection time 1s~30s adjustable

Auxiliary contacts

Set off or 1s~(start time-1s)action,achieve star-delta and auto buck start

Underload

20%~90% of Setting current adjustable

Contact capacity

Ith:5A;AC-15:Ue/Ie 380V/0.95A 240V/1.5A

Use category

AC-15

IP Class

IP20

Installation

Mainframe panel installation,transformer panel installation by screw or rail

Wiring Diagram

Dimensions(mm)

Ordering instructions

Model significance:

ZHRA3-200/A220 motor protectore,rated control voltage AC220V,setting current range

Send Inquiry

If you have any enquiry about quotation or cooperation,please feel free to email us at aukeman@sina.com or use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.

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