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ZHRA2-A.B.D

Built-in microprocessor,current measurement accuracy≤0.2%.Button setting,double LED digital display.With three-phase current inquiry and protection of overload,phase failure,unbalance and temperature.Support power-off self-staring,two-speed motors,star-delta starter.No-load start,protection of any phase failure or overload.NO contact protection.

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Description

General

Used in oilfield units and dual-speed motors,star-delta starter motor control occasions.With overload,phase loss,unbalance and temperature protecion.

Features:

Built-in microprocessor,current measurement accuracy0.2%.Button setting,double LED digital display.With three-phase current inquiry and protection of overload,phase failure,unbalance and temperature.Support power-off self-staring,two-speed motors,star-delta starter.No-load start,protection of any phase failure or overload.NO contact protection.

Model Description

Model Selection Table

Model

Function

Rated working current range

Applicable motor power

ZHRA2-A

Direct start

10:1A~10A

50:5A~50A

2000:20A~200A

0.55kW~4kW

3kW~22kW

11kW~90

kW

ZHRA2-B

Two-speed motor start

ZHRA2-D

Star-delta starter

Technical Parameters

Rated control supply voltage

AC380V、AC220V 50/60Hz

Setting mode

Button setting

Starting avoid time

2s~120s adjustable

Tripping class

12(10A)3(10) 4(20) 5(30)

Protection

Overload,current unbalance,phase loss,temperature

Convertion time

2s~900s adjustable

Current unbalance rate

20%~90% adjustable

Ground temperature protection

support temperature protection with temperature swich

Definite time protection

Closable.open with overload ration 1.2~6.0 adjustable,protection action time 1s~9s adjustable

Self-satart after outage

Closable,open with 1s~900s adjustable

Contact capacity

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

Use category

AC-15

IP Class

IP20

Installation

Screw mounting

Wiring Diagram

Dimensions(mm)

Ordering instructions

Model significance:

ZHRA2-A200/A220 motor protector,direct start,setting current range 20A~200A,rated control voltage AC220V.

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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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