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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2026-1AL20 |
| Alternative Part Number | 3RT20261AL20 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Contact Configuration | 3NO (3 Normally Open) |
| Rated Operational Current (AC-3) | 25 A |
| Rated Operational Voltage | 690 V ac |
| Control Supply Voltage | 230 V AC, 50/60 Hz |
| Number of Poles | 3-pole |
| Size | S0 |
| Terminal Type | Screw-type terminals |
| Rated Control Circuit Voltage | 230 V AC |
| Rated Frequency | 50/60 Hz |
| Rated Operational Power (AC-3) | 11 kW / 400 V |
| Auxiliary Contacts | 1 NO (Normally Open) |
| Insulation Voltage | Rated at 690 V |
| Surge Voltage Resistance | Rated value 6 kV |
| Protection Class | IP20 |
| Ambient Operating Temperature | -25 … +60 °C |
| Installation Altitude | Up to 2,000 metres above sea level |
| Pollution Degree | 3 |
| Commodity Code | 853649 |
| Mirror Contact | Yes, according to IEC 60947-4-1 |
| Safety Related Data | B10 value with high demand rate according to SN 31920: 1,000,000; T1 value for proof test interval or service life according to IEC 61508: 20 years |
The Siemens 3RT2026-1AL20 is a robust power contactor designed to handle a variety of applications within industrial environments. This contactor is part of the SIRIUS product family, renowned for its reliability and efficiency. With a contact configuration of 3NO (normally open) and a single NO auxiliary contact, it is capable of switching motor loads up to 11 kW at 400 V AC in AC-3 usage category, making it a versatile choice for motor control applications.
The unit is rated for currents up to 25 A and can operate at voltages up to 690 V AC, ensuring compatibility with a wide range of electrical systems. The contactor is engineered with screw-type terminals for secure and straightforward connections, both for the main current circuit and auxiliary and control current circuits.
Designed with a size S0 footprint, the Siemens 3RT2026-1AL20 offers a compact solution that can easily be integrated into existing setups without requiring extensive space. The contactor is also equipped with finger-safe protection, providing an additional layer of safety during installation and maintenance.
This contactor is suitable for a broad spectrum of applications, from simple starters and switches to more complex switching operations in control systems. Its robust construction and reliable performance make it an excellent choice for those seeking a dependable solution for controlling motors and other electrical loads in industrial settings.
Commonly Asked Questions
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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, typically used in applications with an AC-3 utilization category, capable of handling 25 A and 11 kW / 400 V with a 3-pole configuration.
Can this contactor be used for communication functions?
No, this contactor does not have a function module for communication. It is intended for basic switching operations of an electrical power circuit.
What is the size of this contactor?
The contactor is of size S0, which is a standard size classification for this type of electrical component.
What is the rated insulation voltage of this contactor?
The rated insulation voltage for this contactor is 690 V.
What type of terminals does this contactor have?
This contactor is equipped with screw-type terminals for secure and reliable connections.
What is the control supply voltage for this contactor?
The control supply voltage for this contactor at AC is rated at 230 V for both 50 Hz and 60 Hz frequencies.
What is the IP protection class of this contactor?
The contactor has an IP20 protection class rating for both the front and terminal areas, indicating a basic level of protection against solid objects.
Does this contactor have auxiliary contacts?
Yes, this contactor includes auxiliary contacts, specifically 1 Normally Open (NO) and 1 Normally Closed (NC) contact.
What are the shock resistance specifications for this contactor?
The contactor has a shock resistance of 8.3g / 5 ms and 5.3g / 10 ms for rectangular impulses at AC.
What certifications does this contactor hold?
The contactor holds general product approvals and is compliant with EMC standards, among other certifications.
