9 A AC-3 Contactor
The 3RT1023-3BB40 is rated for an AC-3 operational current of 9 A at 400 V for applicable motor switching circuits.
SIEMENS 3RT1023-3BB40 SIRIUS Contactor 9A 4kW 24VDC 3-Pole
Available in stock (400)
Regular price
$83.02
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Technical Specifications
| Brand | SIEMENS |
| Model Number | 3RT1023-3BB40 |
| Product Category | Power Contactor |
| Product Series | SIRIUS 3RT1 |
| Contactor Size | S0 |
| Number of Main Poles | 3 |
| Main Contacts | 3 NO |
| Rated Operational Current AC-3 at 400 V | 9 A |
| Motor Power AC-3 at 400 V | 4 kW |
| Operational Current AC-1 at 400 V, 40 °C | 40 A |
| Operational Current AC-1 at 400 V, 60 °C | 35 A |
| Control Supply Voltage | 24 VDC |
| Main Circuit Connection | Screw-Type Terminals |
| Auxiliary and Control Circuit Connection | Spring-Type / Cage Clamp Terminals |
| Mounting | Screw or 35 mm DIN Rail Mounting |
| Degree of Protection, Front | IP20 |
| Mechanical Service Life | 10,000,000 Operating Cycles Typical |
| Dimensions | 45 x 85 x 100 mm (W x H x D) |
Key Features
4 kW Motor Rating
The documented AC-3 motor power rating is 4 kW at 400 V, providing a clear selection reference for motor-control applications.
24 VDC Control
The contactor uses a 24 VDC control supply for integration into applicable industrial control and automation circuits.
Three Main Poles
Three normally open main contacts provide three-pole switching for applicable three-phase load and motor-control applications.
S0 Frame Size
The SIRIUS contactor uses the compact S0 size with documented dimensions of 45 x 85 x 100 mm.
DIN Rail or Screw Mounting
The contactor supports screw mounting and snap-on mounting onto a 35 mm standard mounting rail for control-panel installation.
Applications
- Three-phase motor switching
- Industrial motor starters
- Machine control systems
- Automation control cabinets
- Production equipment controls
- Industrial switching circuits
- Conveyor motor control
- Electrical panel assemblies
Purchase Information
We support online purchase of the SIEMENS 3RT1023-3BB40 Power Contactor. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.
Frequently Asked Questions
What is SIEMENS 3RT1023-3BB40?
It is a SIRIUS 3RT1 three-pole power contactor in S0 size for industrial switching and motor-control applications.
What is the AC-3 current rating?
The documented AC-3 operational current at 400 V is 9 A.
What motor power is the contactor rated for?
The documented AC-3 motor power rating is 4 kW at 400 V.
What control voltage does 3RT1023-3BB40 use?
The contactor uses a 24 VDC control supply.
How many main poles does it have?
It has three normally open main contacts for three-pole switching.
What is the contactor size?
The documented Siemens contactor size is S0.
What terminal types are used?
The main circuit uses screw-type terminals, while the auxiliary and control circuit uses spring-type Cage Clamp terminals.
Can the contactor be mounted on a DIN rail?
Yes. It supports snap-on mounting onto a 35 mm standard mounting rail as well as screw mounting.
What is the front protection rating?
The documented front protection rating is IP20.
What is the operating temperature range?
The documented operating temperature range is -25 to +60 °C.
What are the dimensions?
The documented dimensions are 45 mm wide, 85 mm high and 100 mm deep.
What should be checked before ordering?
Check the complete 3RT1023-3BB40 article number together with the 9 A AC-3 current, 4 kW at 400 V motor rating, 24 VDC control supply, three-pole configuration and terminal requirements before ordering.
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