Siemens Contactor 3RT1025-1B..0 w/ 3RT1926-1CB00

Siemens Contactor 3RT1025-1B..0 with 3RT1926-1CB00 Surge Suppressor

The Siemens 3RT1025-1B..0 is a three-phase IEC-rated contactor designed for the control of electric motors. It is rated for 17 AMPS AC-3 and 40 AMPS AC-1, supporting motor applications up to 5 HP at 230V and 10 HP at 460V. This contactor conforms to IEC 60946 standards, ensuring reliable performance in industrial settings.

Key Features

• Current Rating: 17 AMPS AC-3, 40 AMPS AC-1
• Motor Power: 5 HP at 230V, 10 HP at 460V
• Coil Voltage Options: Available in various DC voltages, including 24VDC, 48VDC, 110VDC, 125VDC, and 230VDC
• Mounting: Standard 35mm DIN rail for easy installation
• Auxiliary Contacts: Supports front and side-mounted auxiliary contacts in normally open (NO) and normally closed (NC) configurations
• Overload Protection: Compatible with 3RU1126 thermal overload relays and 3RB2026 electronic overload relays for comprehensive motor protection

Surge Suppression with 3RT1926-1CB00

To enhance the performance and longevity of the 3RT1025-1B..0 contactor, it is equipped with the Siemens 3RT1926-1CB00 surge suppressor. This RC element is designed for mounting onto size S0 contactors and operates within a voltage range of 24…48 V AC and 24…70 V DC. The surge suppressor effectively mitigates voltage spikes, protecting the contactor’s coil and associated circuitry from potential damage.

Applications

The Siemens 3RT1025-1B..0 contactor, combined with the 3RT1926-1CB00 surge suppressor, is ideal for various industrial applications, including:

• Motor control in manufacturing and processing plants
• Pump and fan operations
• Conveyor systems
• HVAC systems

Its robust design and compatibility with auxiliary components make it a versatile choice for reliable motor control solutions.