Siemens Industrial Controls 3RT2027-1BB40 Contactor
The Siemens SIRIUS 3RT2027-1BB40 is a high-performance 3-pole power contactor designed for demanding commercial and industrial motor control applications. Engineered for the S0 frame size, this IEC-rated contactor provides a nominal current of 32A under AC-3 conditions, supporting motor loads up to 15kW at 400V (approximately 10 HP at 230V and 20 HP at 460V). Utilizing a stable 24V DC coil with a low 5.9W holding power, it ensures energy-efficient operation within control cabinets. This unit features integrated 1NO + 1NC auxiliary contacts and robust screw terminals, making it a drop-in electrical replacement for the legacy 3RT1033 series. Designed to handle severe environments, its IP20 enclosure and vibration-resistant construction support a mechanical service life of up to 10 million operating cycles. Whether implemented in HVACR motor starters or standard industrial control panels, its 35mm DIN rail mounting capability facilitates rapid field installation and reliability.
Key Benefits
- Optimized Motor Control: Rated for AC-3e/AC-3 duty cycles, ensuring consistent switching for 3-phase motors up to 20 HP at 460V.
- Energy Efficient 24V DC Coil: Low power consumption reduces heat dissipation within the panel, extending the longevity of adjacent SIRIUS innovative components.
- Integrated Auxiliaries: Factory-installed 1NO and 1NC contacts provide immediate feedback for status monitoring or safety interlocking without additional blocks.
- Compact S0 Footprint: Narrow 45mm width allows for high-density mounting on TH35 DIN rails, saving valuable enclosure space.
- Robust Terminal Design: Heavy-duty screw terminals facilitate a secure, gas-tight wiring connection for vibration-prone HVACR environments.
Common Questions
Is the 3RT2027-1BB40 compatible with surge suppressors?
Yes, this S0 size contactor can be equipped with front-mounted surge suppressors (varistors, RC elements, or diode assemblies) to protect sensitive PLC outputs from voltage spikes during coil de-energization.
What is the difference between this and the 3RT1033 series?
The 3RT2027-1BB40 is the direct performance successor to the 3RT1033. While the footprints are similar, the 3RT2 series offers improved power density and compatibility with the current SIRIUS modular system of overload relays and link modules.
Can this contactor be mounted at an angle?
The unit is designed for vertical mounting on a standard 35mm DIN rail. While it can be inclined up to +/- 22.5 degrees, vertical orientation is recommended to ensure maximum mechanical service life and optimal heat dissipation.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Siemens Industrial Controls 3RT2027-1BB40 Contactor
The Siemens SIRIUS 3RT2027-1BB40 is a high-performance 3-pole power contactor designed for demanding commercial and industrial motor control applications. Engineered for the S0 frame size, this IEC-rated contactor provides a nominal current of 32A under AC-3 conditions, supporting motor loads up to 15kW at 400V (approximately 10 HP at 230V and 20 HP at 460V). Utilizing a stable 24V DC coil with a low 5.9W holding power, it ensures energy-efficient operation within control cabinets. This unit features integrated 1NO + 1NC auxiliary contacts and robust screw terminals, making it a drop-in electrical replacement for the legacy 3RT1033 series. Designed to handle severe environments, its IP20 enclosure and vibration-resistant construction support a mechanical service life of up to 10 million operating cycles. Whether implemented in HVACR motor starters or standard industrial control panels, its 35mm DIN rail mounting capability facilitates rapid field installation and reliability.
Key Benefits
- Optimized Motor Control: Rated for AC-3e/AC-3 duty cycles, ensuring consistent switching for 3-phase motors up to 20 HP at 460V.
- Energy Efficient 24V DC Coil: Low power consumption reduces heat dissipation within the panel, extending the longevity of adjacent SIRIUS innovative components.
- Integrated Auxiliaries: Factory-installed 1NO and 1NC contacts provide immediate feedback for status monitoring or safety interlocking without additional blocks.
- Compact S0 Footprint: Narrow 45mm width allows for high-density mounting on TH35 DIN rails, saving valuable enclosure space.
- Robust Terminal Design: Heavy-duty screw terminals facilitate a secure, gas-tight wiring connection for vibration-prone HVACR environments.
Common Questions
Is the 3RT2027-1BB40 compatible with surge suppressors?
Yes, this S0 size contactor can be equipped with front-mounted surge suppressors (varistors, RC elements, or diode assemblies) to protect sensitive PLC outputs from voltage spikes during coil de-energization.
What is the difference between this and the 3RT1033 series?
The 3RT2027-1BB40 is the direct performance successor to the 3RT1033. While the footprints are similar, the 3RT2 series offers improved power density and compatibility with the current SIRIUS modular system of overload relays and link modules.
Can this contactor be mounted at an angle?
The unit is designed for vertical mounting on a standard 35mm DIN rail. While it can be inclined up to +/- 22.5 degrees, vertical orientation is recommended to ensure maximum mechanical service life and optimal heat dissipation.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Siemens SIRIUS 3RT2027-1BB40 is a high-performance 3-pole power contactor designed for demanding commercial and industrial motor control applications. Engineered for the S0 frame size, this IEC-rated contactor provides a nominal current of 32A under AC-3 conditions, supporting motor loads up to 15kW at 400V (approximately 10 HP at 230V and 20 HP at 460V). Utilizing a stable 24V DC coil with a low 5.9W holding power, it ensures energy-efficient operation within control cabinets. This unit features integrated 1NO + 1NC auxiliary contacts and robust screw terminals, making it a drop-in electrical replacement for the legacy 3RT1033 series. Designed to handle severe environments, its IP20 enclosure and vibration-resistant construction support a mechanical service life of up to 10 million operating cycles. Whether implemented in HVACR motor starters or standard industrial control panels, its 35mm DIN rail mounting capability facilitates rapid field installation and reliability.
Key Benefits
- Optimized Motor Control: Rated for AC-3e/AC-3 duty cycles, ensuring consistent switching for 3-phase motors up to 20 HP at 460V.
- Energy Efficient 24V DC Coil: Low power consumption reduces heat dissipation within the panel, extending the longevity of adjacent SIRIUS innovative components.
- Integrated Auxiliaries: Factory-installed 1NO and 1NC contacts provide immediate feedback for status monitoring or safety interlocking without additional blocks.
- Compact S0 Footprint: Narrow 45mm width allows for high-density mounting on TH35 DIN rails, saving valuable enclosure space.
- Robust Terminal Design: Heavy-duty screw terminals facilitate a secure, gas-tight wiring connection for vibration-prone HVACR environments.
Common Questions
Is the 3RT2027-1BB40 compatible with surge suppressors?
Yes, this S0 size contactor can be equipped with front-mounted surge suppressors (varistors, RC elements, or diode assemblies) to protect sensitive PLC outputs from voltage spikes during coil de-energization.
What is the difference between this and the 3RT1033 series?
The 3RT2027-1BB40 is the direct performance successor to the 3RT1033. While the footprints are similar, the 3RT2 series offers improved power density and compatibility with the current SIRIUS modular system of overload relays and link modules.
Can this contactor be mounted at an angle?
The unit is designed for vertical mounting on a standard 35mm DIN rail. While it can be inclined up to +/- 22.5 degrees, vertical orientation is recommended to ensure maximum mechanical service life and optimal heat dissipation.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
