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SIEMENS CONTACTOR - 3TF 53

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SIEMENS CONTACTOR - 3TF 53 Specification

Overheating Protection
Available with proper relay

Efficiency
Up to 98%

Power Factor
0.85

Shape
Rectangular

Mounting Type
DIN Rail / Panel Mount

Surface Finish
Matte / Industrial Finish

Insulation Material
Thermoset Plastic

IP Rating
IP20

Humidity %
Up to 95% (non-condensing)

Feature
High Mechanical Durability

Connector Type
Terminal Block

Operating Temperature
-25°C to +55°C

Product Type
Contactor

Application
Industrial Motor Control, Switching, Automation Systems

Protection Level
IP20

Frequency (MHz)
50/60 Hz

Rated Voltage
690 V AC

Energy Consumption
Low Power Consumption

Output Type
Normally Open (NO) and Normally Closed (NC) Contacts

Color
Black / Grey

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

Weight
2.85 kg

Phase
Three Phase

Size
Standard Siemens 3TF53 Form Factor

Input Voltage
230 V AC Coil

Connection Type
Screw Terminal

Material
High-grade Industrial Plastic and Metal

No Of Poles
3

SIEMENS CONTACTOR - 3TF 53 Trade Information

Sample Available
Yes

Main Export Market(s)
Asia

Main Domestic Market
All India

About SIEMENS CONTACTOR - 3TF 53

3TF power contactors are suitable for switching and controlling squirrel cage and slip-ring motors as well as other AC loads, such as solenoids, capacitors, lighting loads, heating loads and transformer loads.

Superior Durability and Life Span

Engineered for prolonged use, the 3TF 53 contactor boasts a mechanical lifespan of 10 million operations and an electrical endurance of one million operations. Its high-grade plastic and metal construction ensure exceptional resilience against daily industrial stresses. The contactors matte finish and robust design provide reliable performance in demanding conditions.

Flexible Control and Mounting Options

Supporting various control voltages (24V, 110V, 230V, 400V AC), the 3TF 53 adapts easily to your system requirements. Its three-pole design fits standard Siemens form factors, allowing hassle-free DIN rail or panel mounting. All terminals are screw-type, facilitating secure and simple installation.

Ideal for Motor Control and Automation

Designed specifically for industrial motor control, switching, and automation systems, this contactor balances high efficiency (up to 98%) with low power consumption. Its auxiliary contacts (2 NO + 2 NC) and IP20-rated housing make it suitable for a variety of automation and motor protection applications.

FAQs of SIEMENS CONTACTOR - 3TF 53:

Q: How do I install the SIEMENS CONTACTOR - 3TF 53 for industrial applications?

A: The contactor can be mounted on a DIN rail or directly on a panel using the provided screw terminals and standard Siemens 3TF53 form factor. Ensure proper wiring as per the rated control voltage, and confirm that the mounting area meets the required temperature and humidity specifications.

Q: What benefits does the 3TF 53 offer for automation and motor control systems?

A: With its high mechanical and electrical life, low power consumption, and robust construction, the 3TF 53 delivers reliable, long-term performance in demanding automation and motor control installations, ensuring reduced downtime and optimal efficiency.

Q: When should the auxiliary contacts (2 NO + 2 NC) be used?

A: The auxiliary contacts are used for signaling, control, or interlocking functions within your automation system, enabling flexible integration with safety circuits, alarms, or remote status indication.

Q: Where is the 3TF 53 contactor best utilized?

A: It is ideal for industrial automation, motor switching, and protection systems, especially in environments requiring high durability, variable voltage control, and reliable operation under fluctuating temperatures and humidity.

Q: What is the process for selecting the correct control voltage for this contactor?

A: Select the control voltage (24V, 110V, 230V, or 400V AC) according to your systems requirements. Refer to your applications control circuit specifications and ensure the voltage matches before connecting the coil terminals.

Q: How does the contactor address safety and protection requirements?

A: With IP20-rated protection, high shock resistance (30g), and compatibility with overload relays for overheating protection, the 3TF 53 meets stringent safety needs in industrial environments. It also features insulated thermoset plastic for added electrical insulation.

Q: What makes the 3TF 53 suitable for harsh industrial conditions?

A: Its rugged, high-grade construction, wide operating temperature range (-25C to +55C), and resistance to up to 95% non-condensing humidity ensure stable operation even in tough settings encountered in factories and automation systems.

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