CA4-22E ABB Thermal overload relay Provide reliable motor
protection
ABB CA4-22E is a highly efficient and reliable thermal overload
relay, specifically designed to protect small and medium-sized
three-phase asynchronous motors from overload and phase loss
faults. This model supports 2 normally open auxiliary contacts and
2 normally closed auxiliary contacts, featuring a compact design
and high reliability. It is widely used in industrial automation,
building automation and infrastructure projects. It can be used in
conjunction with contactors to provide a comprehensive motor
protection solution.
Key features
High reliability and long service life
Designed to withstand frequent start-stop operations.
The mechanical life exceeds one million cycles, meeting the demands
of various harsh environments.
Modular design, flexible expansion
It can be assembled with various accessories: auxiliary contact
modules, delay modules, etc.
It is easy to build complex control logic without the need for
additional relays.
Safety and compliance
Passed the major global certification systems, including UL, CSA,
CE, CCC, TUV, etc.
It complies with international and national standards such as
IEC/EN 60947-4-1 and GB 14048.4.
Easy to install
Standard 35mm DIN rail installation, space-saving.
Supports screw crimping or spring clamping terminal blocks, and is
compatible with various wire specifications.
Provide a clear contact status indicator window for easy
maintenance.
Basic parameters
| Model | CA4-22E |
| Series | ABB CA series thermal overload relays |
| Number of poles | 3P (main contact), 2NO + 2NC (auxiliary contact) |
| Rated working current range | 0.1-25 A |
| Rated insulation voltage Ui | 690 V AC |
| Rated working voltage Ue | 230/400/690 V AC (50/60 Hz) |
Product Images
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