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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT1035-1AP04 |
| Alternative Part Number | 3RT10351AP04 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Poles | 3 Poles |
| Contacts Configuration | 2NO/2NC |
| Rated Current | 40 A |
| Power Rating at 400 V | 18.5 kW |
| Control Voltage | 230 V ac |
| Contactor Size | S2 |
| Connection Type | Screw Connection |
| Degree of Pollution | 3 |
| Installation Altitude | Up to 2,000 metres above sea level |
| Ambient Operating Temperature | -25 … +60 °C |
| Mechanical Operating Cycles | 10,000,000 typical for contactor, 5,000,000 with electronics-compatible auxiliary switch block |
| Insulation Voltage | Rated at 690 V |
| Surge Voltage Resistance | Rated at 6 kV |
| Protection Class IP | IP20 on the front |
| Commodity Code | 853649 |
The Siemens 3RT1035-1AP04 is a robust power contactor designed to handle a wide range of switching tasks in industrial environments. This contactor is engineered for AC-3 applications and is capable of managing motors with power ratings up to 18.5 kW at 400 V. It features a three-pole design with a combination of 2 normally open (NO) and 2 normally closed (NC) contacts, offering flexibility for various control circuits.
With a rated operating current of 40 A at AC-3 and 60 A at AC-1, this contactor ensures reliable performance even under demanding conditions. The coil operates at a control supply voltage of 230 V AC at 50 Hz, making it suitable for integration into a wide range of power networks within the UK and other regions with similar electrical standards.
The contactor's size S2 footprint allows for efficient use of space inside control cabinets, while the screw connection terminals provide a secure and durable connection for both the main and auxiliary circuits. The device is designed to withstand mechanical operating cycles of up to 10 million, highlighting its durability and long service life.
Siemens' commitment to quality is evident in the 3RT1035-1AP04's construction, which adheres to a high degree of pollution standards and offers an IP20 protection class on the front, ensuring it is safeguarded against ingress of solid objects.
This power contactor is a reliable choice for engineers and technicians looking for a high-performance switching solution that combines efficiency, versatility, and durability. Whether it's for starting motors, controlling heating loads, or managing lighting systems, the Siemens 3RT1035-1AP04 is equipped to meet the demands of a variety of industrial applications.
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Frequently Asked Questions
What type of contactor is this?
This is a power contactor designed for switching an electrical power circuit, similar to a relay but with higher current ratings.
How many poles does this contactor have?
The contactor has 3 poles for the main current circuit.
What is the rated operating current of this contactor at AC-3?
At AC-3, the rated operating current is 40 A at 400 V.
Can this contactor be used for motor control applications?
Yes, it is suitable for motor control applications, with a rated control capacity of 18.5 kW at 400 V in AC-3 usage.
What is the control supply voltage for this contactor?
The control supply voltage is 230 V AC at 50 Hz.
What are the dimensions of this contactor?
The contactor's dimensions are 112 mm in height, 55 mm in width, and 179 mm in depth.
What is the insulation voltage rating of this contactor?
The insulation voltage rating is 690 V.
What type of terminal connection does this contactor have?
It has screw-type terminals for both the main and auxiliary circuits.
What is the mechanical service life of this contactor?
The mechanical service life of the contactor is typically 10 million operating cycles.
What is the ambient temperature range for operating this contactor?
The contactor can operate within an ambient temperature range of -25 to +60 degrees Celsius.
