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SIEMENS 3TB-48 STAR DELTA STARTER

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SIEMENS 3TB-48 STAR DELTA STARTER Specification

IP Rating
IP20

Connector Type
Screw Type

Shape
Rectangular

Operating Temperature
-10C to +55C

Humidity %
Up to 90% RH

Feature
Built-in overload relay, durable design

Efficiency
High

Surface Finish
Matte

Power Factor
>=0.95

Mounting Type
Panel Mount

Insulation Material
Thermoplastic

Overheating Protection
YES

Product Type
Star Delta Starter

Application
Industrial motor starting

Protection Level
IP20

Frequency (MHz)
50 Hz

Rated Voltage
415V AC

Energy Consumption
Low

Output Type
Contactors output

Color
Grey/Black

Dimension (L*W*H)
215 x 130 x 110 mm

Weight
Approx. 2.5 kg

Size
Standard

Input Voltage
415V AC

Phase
Three Phase

Connection Type
Screw terminals

No Of Poles
3

Material
High-grade engineering plastic & metal

Control Supply Voltage
230V AC

Current Rating
48A

Suitable Motor Capacity
15-25 HP

Mechanical Life
Over 1 million operations

Auxiliary Contacts
2NO+2NC

Short Circuit Withstand
Up to 10kA

Starter Circuit
Star-Delta Transition

Noise Level
<45dB

Starter Type
Fully Automatic Star-Delta

Contact Material
Silver Alloy

Enclosure Type
Sheet Metal

Coil Voltage
230V AC

SIEMENS 3TB-48 STAR DELTA STARTER Trade Information

Payment Terms
Cash in Advance (CID)

Sample Available
Yes

Main Export Market(s)
Asia

Main Domestic Market
All India

About SIEMENS 3TB-48 STAR DELTA STARTER

Star/Delta starters are probably the most common reduced voltage starters. They are used in an attempt to reduce the start current applied to the motor during start as a means of reducing the disturbances and interference on the electrical supply.

Superior Motor Protection and Reliability

Equipped with a built-in overload relay and IP20 protection, the SIEMENS 3TB-48 guarantees optimal safety for motors in varied industrial settings. Its robust mechanical life and quality materials ensure enduring performance, even under rigorous conditions. The integrated star-delta transition circuit minimizes electrical stress during motor startup, further enhancing system longevity.

Easy Installation and Maintenance

Designed for panel mounting with standard screw-type connectors, installation is swift and straightforward. The accessible dimensions (215x130x110 mm) and modular design facilitate convenient servicing and integration into existing setups. Clear terminal markings and durable construction simplify routine inspections and minimize downtime.

FAQs of SIEMENS 3TB-48 STAR DELTA STARTER:

Q: How does the SIEMENS 3TB-48 Star Delta Starter help extend motor life?

A: By utilizing automatic star-delta transitions during startup, this starter limits high inrush currents and electrical stress on the motor. Combined with a built-in overload relay and low contact wear, it significantly extends the operational life of connected motors.

Q: What motors can be used with the SIEMENS 3TB-48 Star Delta Starter?

A: This starter is suitable for three-phase industrial motors with a capacity between 15 and 25 HP and rated voltage of 415V AC. It is designed specifically for heavy-duty industrial applications.

Q: When should I consider installing a star-delta starter like this one?

A: Star-delta starters are ideal when you need to reduce the starting current of large three-phase motors, minimizing mechanical and electrical stress. This is essential in industrial environments with motors above 10 HP.

Q: Where can I install this starter within my facility?

A: The SIEMENS 3TB-48 is designed for panel mounting in control rooms or machinery panels, offering protection up to IP20. It is suitable for environments with ambient temperatures from -10C to +55C and humidity up to 90% RH.

Q: What is the process for wiring and commissioning the SIEMENS 3TB-48?

A: The unit features screw-type terminals for secure wiring. Follow the included wiring diagram, ensure all connections are tightened properly, and refer to the user manual for recommended commissioning and safety checks before powering on.

Q: How does this starter improve energy efficiency in my system?

A: This model has a high power factor (0.95) and low energy consumption, supporting efficient motor operation while reducing electrical losses during startups.

Q: What are the key benefits of using this specific SIEMENS starter over alternatives?

A: Key advantages include its robust, long-lasting design, high short-circuit withstand capacity (up to 10kA), automatic operation, low noise output, and simple installation. Its efficient and reliable performance meets industrial standards for safety and durability.

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