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Siemens 3RT2028-1BB40 | SIRIUS 3-Pole Power Contactor – 40A, 24V DC Coil, Size S0, 3NO
Overview
The Siemens 3RT2028-1BB40 is a SIRIUS 3-pole contactor designed for switching motors and resistive loads in industrial control systems. It supports up to 40A (AC-3 duty) and motors up to 18.5 kW at 400V, making it ideal for high-demand applications. Equipped with a 24V DC coil and screw terminals, this size S0 contactor offers reliability, compactness, and ease of wiring.
Key Features
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Rated Current (AC-3): 40A
-
Motor Rating: Up to 18.5 kW @ 400V
-
Control Voltage: 24V DC
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Main Contacts: 3NO (3 normally open)
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Mounting: DIN rail or panel mount
-
Terminal Type: Screw terminals
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Size: S0
-
Enclosure Rating: IP20
-
Switching Capacity: High durability and performance in AC-3 and AC-1 applications
Technical Specifications
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Part Number: 3RT2028-1BB40
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Series: SIRIUS 3RT2
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Rated Operating Voltage: Up to 690V AC
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Mechanical Life: Up to 10 million operations
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Electrical Life (AC-3): Up to 1 million operations
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Ambient Temperature: –25°C to +60°C
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Certifications: CE, UL, cULus, RoHS, EAC
Applications
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Motor starters and reversing starters
-
Pumps, compressors, and HVAC systems
-
Conveyors, mixers, and fans
-
Control cabinets in automation systems
-
Switching of resistive and inductive loads
Why Choose the 3RT2028-1BB40?
-
High Switching Capacity: Handles 40A AC-3 for demanding loads
-
Compact Design: Size S0 fits in space-constrained panels
-
Reliable Siemens Build: Proven durability in industrial environments
-
Quick Installation: Screw terminals and DIN rail mounting
-
Modular System: Compatible with SIRIUS overload relays and auxiliaries
Order Now
The Siemens 3RT2028-1BB40 contactor is in stock and available for global shipping.
Description
Siemens 3RT2028-1BB40 | SIRIUS 3-Pole Power Contactor – 40A, 24V DC Coil, Size S0, 3NO
Overview
The Siemens 3RT2028-1BB40 is a SIRIUS 3-pole contactor designed for switching motors and resistive loads in industrial control systems. It supports up to 40A (AC-3 duty) and motors up to 18.5 kW at 400V, making it ideal for high-demand applications. Equipped with a 24V DC coil and screw terminals, this size S0 contactor offers reliability, compactness, and ease of wiring.
Key Features
-
Rated Current (AC-3): 40A
-
Motor Rating: Up to 18.5 kW @ 400V
-
Control Voltage: 24V DC
-
Main Contacts: 3NO (3 normally open)
-
Mounting: DIN rail or panel mount
-
Terminal Type: Screw terminals
-
Size: S0
-
Enclosure Rating: IP20
-
Switching Capacity: High durability and performance in AC-3 and AC-1 applications
Technical Specifications
-
Part Number: 3RT2028-1BB40
-
Series: SIRIUS 3RT2
-
Rated Operating Voltage: Up to 690V AC
-
Mechanical Life: Up to 10 million operations
-
Electrical Life (AC-3): Up to 1 million operations
-
Ambient Temperature: –25°C to +60°C
-
Certifications: CE, UL, cULus, RoHS, EAC
Applications
-
Motor starters and reversing starters
-
Pumps, compressors, and HVAC systems
-
Conveyors, mixers, and fans
-
Control cabinets in automation systems
-
Switching of resistive and inductive loads
Why Choose the 3RT2028-1BB40?
-
High Switching Capacity: Handles 40A AC-3 for demanding loads
-
Compact Design: Size S0 fits in space-constrained panels
-
Reliable Siemens Build: Proven durability in industrial environments
-
Quick Installation: Screw terminals and DIN rail mounting
-
Modular System: Compatible with SIRIUS overload relays and auxiliaries
Order Now
The Siemens 3RT2028-1BB40 contactor is in stock and available for global shipping.