Siemens 3RT2025-1BB40 17A 3P 24V DC Coil Contactor

Siemens 3RT2025-1BB40 SIRIUS 3-Pole Contactor – 24V DC Coil, 17A, 5.5kW (AC-3), DIN Rail Mount

Product Description:
The Siemens 3RT2025-1BB40 is a compact and high-performance 3-pole contactor from the SIRIUS series, engineered for reliable motor control and switching operations. This contactor operates with a 24V DC coil and is rated for 7.5kW at 400V (AC-3), with a maximum operational current of 17A. Designed for long life and easy integration into control panels, it is ideal for use in machinery, industrial automation, and HVAC systems.

Key Features:

Manufacturer: Siemens

Part Number: 3RT2025-1BB40

Series: SIRIUS

Contactor Type: Power Contactor

Number of Poles: 3-Pole (3NO)

Coil Voltage: 24V DC

Operating Current (AC-3): 17A

Power Rating: Up to 7.5kW (AC-3 @ 400V)

Mounting Type: DIN rail

Auxiliary Contacts: 1 NO + 1 NC

Connection Type: Screw terminal

Certifications: CE, UL, CSA, IEC 60947-4-1 compliant

Applications:

Motor control (direct-on-line starters)

HVAC systems

Industrial automation

Pumps and fans

Conveyors and machinery control systems