The Eaton 278479 PKZM01-1 is an overload relay designed for use with motors. It operates at 690 V AC and is rated for a current of 1 A, providing essential protection in electrical circuits. Typically used in industrial applications, this device helps prevent motor overloads and ensures safe operational conditions.
| Type |
Overload relay |
| Adjustment range undelayed short-circuit release |
15.5-15.5A |
| Connection |
Screw terminal |
| Degree of protection (IP) |
IP20 |
| Depth |
93mm |
| Device construction |
Built-in device fixed built-in technique |
| Dim |
(L x W x H) 90.5 x 45 x 93 mm |
| Durability |
0.05 x 106 |
| Length |
90.5mm |
| Max. temperature |
+55°C |
| Min. temperature |
-25°C |
| Misc Attribute 1 |
PKZM01-1 |
| Misc Attribute 2 |
3-pin |
| Number of Poles |
3 |
| Overload release current setting |
0.63-1A |
| Phase failure sensitive |
TRUE |
| Power loss |
5.33W |
| Rated operating voltage |
440-440V |
| Rated operation power at AC-3, 230 V |
0.12kW |
| Rated operation power at AC-3, 400 V |
0.25kW |
| Rated permanent current Iu |
1A |
| Rated short-circuit breaking capacity Icu at 400 V, AC |
50kA |
| Switch off technique |
Thermomagnetic |
| Switching current (max.) |
1A |
| Switching current (min.) |
0.63A |
| Switching voltage |
690V AC |
| Type of control element |
Push button |
| Type of electrical connection of main circuit |
Screw connection |
| Width |
45mm |
| With integrated auxiliary switch |
FALSE |
| With integrated under voltage release |
FALSE |
| With thermal overload protection |
FALSE |
