Siemens SIRIUS Power Contactor AC-3e/AC-3 17 A, 7.5 kW,
400 V, 3-Pole PLC Compatible Varistor – 3RT2025-1KB40
The Siemens 3RT2025-1KB40 is a SIRIUS 3RT2 series
power contactor designed for reliable switching and control of three-phase
motors and industrial electrical loads in low-voltage applications. It is
widely used in industrial automation systems, PLC-based control panels, HVAC
systems, pumps, compressors, conveyors, and OEM machinery where compact
design, dependable switching, and PLC compatibility are essential.
This contactor is rated for AC-3e/AC-3 duty applications, with a rated operational current of 17 A and motor switching capability up to 7.5 kW at 400 V. It features a 3-pole configuration, 24 V DC operating coil, integrated plugged-in varistor, and 1 NO + 1 NC auxiliary contacts. The unit is specifically designed for direct PLC output compatibility, ensuring safe and reliable integration into automation systems
Key Features
|
Parameter |
Specification |
|
Product Model |
3RT2025-1KB40 |
|
Brand |
Siemens |
|
Series |
SIRIUS 3RT2 |
|
Product Type |
Power Contactor |
|
Utilization Category |
AC-3e / AC-3 |
|
Rated Operational Current |
17 A |
|
Rated Motor Power |
7.5 kW at 400 V |
|
Main Contacts |
3 Pole |
|
Auxiliary Contacts |
1 NO + 1 NC |
|
Coil Voltage |
24 V DC |
|
Coil Operating Range |
0.7 – 1.25 × Uc |
|
Varistor |
Integrated plugged-in varistor |
|
Frame Size |
S0 |
|
Connection Type |
Screw terminal |
|
Mounting Type |
DIN rail / panel mounting |
|
Rated Insulation Voltage |
690 V |
|
Application |
PLC compatible motor switching |
|
Standards |
IEC 60947-4-1 |
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