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Home ProductMotor Protector Relay
General
Used in oilfield units and dual-speed motors, star-delta starter motor control occasions. With overload, phase loss, unbalance and temperature protection.
Features:
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.
Model Description
Model Selection Table
|
Model |
Function |
Rated working current range |
Applicable motor power |
|
ZHRA2-A |
Direct start |
10: 1A~10A 50: 5A~50A 200: 20A~200A |
0.55kW~4kW 3kW~22kW 11kW~90kW |
|
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 |
1、2(10A)、3(10) 、4(20) 、5(30) |
|
Protection |
Overload, current unbalance, phase loss, temperature |
|
Conversion time |
2s~900s adjustable |
|
Current unbalance rate |
20%~90% adjustable |
|
Ground temperature protection |
support temperature protection with temperature switch |
|
Definite time protection |
Closable. open with overload ration 1.2~6.0 adjustable, protection action time 1s~9s adjustable |
|
Self-start 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)
Model significance:
ZHRA2-A200/A220 motor protector, direct start, setting current range 20A~200A, rated control voltage AC220V,three phase overload relay and current unbalance relay more function or extra requirenment, welcome contact us.
The advantage:
• Precise monitoring of electrical, mechanical and
temperature values
• Reliable protection of motors and system components
• Realization of simple autonomous temperature
control tasks (2-point, 3-point control)
• Connection to the control level via IO-Link
• Central fault diagnostics and localization
• Eased commissioning and maintenance
• Efficient energy management with AKMAN :
Support of the data formats defined in the
PROFIenergy profile
Reliable monitoring and protection
AKMAN relays offer maximum machine and
system protection and now also communicate with the
control level thanks to IO-Link. The new AKMAN relays for
IO-Link monitor line quality, current values, voltages,
speeds and temperatures with the known reliability
while supporting an even broader application area.
AKMAN speaks IO-Link
With the AKMAN monitoring relays for IO-Link, you opt
for maximum flexibility: In addition to the unchanged
autonomous monitoring function, measured values and
data can be directly transferred to the control via IO-Link.
Also parameterization can either be realized locally or
via IO-Link. The AKMAN relays for IO-Link are thus fully
integrated in Totally Integrated Automation, our open
system architecture for integrated automation.
Moreover, you will benefit from considerably eased
device replacement – thanks to data comparison and
automatic re-parameterization via parameter servers.
