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SIEMENS CONTACTOR - 3TF 54

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SIEMENS CONTACTOR - 3TF 54 Specification

Connector Type
Screw Type

Insulation Material
Thermoplastic

IP Rating
IP20

Feature
High Breaking Capacity, Long Life Operation

Efficiency
High

Power Factor
0.8

Operating Temperature
-25°C to +55°C

Humidity %
≤ 90% (non-condensing)

Shape
Rectangular

Overheating Protection
Available with Auxiliary Relay

Surface Finish
Matte

Mounting Type
DIN Rail/Panel Mounting

Product Type
Power Contactor

Application
Industrial Motor Control

Protection Level
IP20

Frequency (MHz)
50/60

Rated Voltage
415 V AC

Energy Consumption
9 VA Holding

Output Type
Auxiliary Contacts (Optional)

Color
Black & Grey

Dimension (L*W*H)
109 mm x 120 mm x 146 mm

Weight
2.8 kg

Input Voltage
415 V AC

Phase
Three Phase

Size
3TF54

No Of Poles
3

Connection Type
Screw Terminal

Material
High Grade Plastic & Metal

Storage Temperature Range
-25C to +55C

Coil Voltage Range
24-240V AC/DC

Max Drop-Out Voltage
0.2 x Coil Voltage

Electrical Life
1 million operations

Vibration Resistance
5g (10-150Hz)

Rated Current
160A

Contact Material
Silver Alloy

Auxiliary Contacts
2NO + 2NC

Control Unit Type
AC Contactor

Minimum Pickup Voltage
0.85 x Coil Voltage

Short Circuit Withstand
10 kA

Mechanical Life
10 million operations

SIEMENS CONTACTOR - 3TF 54 Trade Information

Sample Available
Yes

Main Export Market(s)
Asia

Main Domestic Market
All India

About SIEMENS CONTACTOR - 3TF 54

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.

Reliable Motor Switching for Industry

The SIEMENS 3TF 54 contactor is specifically designed for industrial motor control, delivering high breaking capacity and long operational life. Its dual auxiliary contacts (2NO + 2NC) make it the perfect choice for automation setups requiring versatile control circuits. The sturdy construction ensures durability even under intense operational demands.

Versatile Coil Voltage Range and Safety Features

Supporting a broad coil voltage range of 24-240V AC/DC, this contactor fits various control systems. Safety and reliability are prioritized with a short circuit withstand capability of 10 kA, overheating protection (when used with auxiliary relay), and a robust IP20 protection rating, making it compliant for tough operating conditions.

Easy Installation and Maintenance

With its compact rectangular shape (109 x 120 x 146 mm), DIN rail or panel mounting options, and screw terminals for secure connections, the 3TF 54 ensures installation is straightforward. Its matte-finished high-grade plastic and metal build promise low maintenance and resilience against harsh environments.

FAQs of SIEMENS CONTACTOR - 3TF 54:

Q: How is the SIEMENS 3TF 54 contactor typically used in industrial applications?

A: The SIEMENS 3TF 54 contactor is primarily used for industrial motor control, serving as a switch to start and stop heavy-duty three-phase motors, especially in high-demand environments requiring reliable performance and safety.

Q: What makes the 3TF 54 contactor suitable for harsh environments?

A: Its IP20 protection rating, high-grade plastic and metal construction, and wide operating temperature range (-25C to +55C) make it durable and resistant to dust, accidental contact, and varying industrial climate conditions.

Q: When should the auxiliary relay be added for overheating protection?

A: The auxiliary relay should be included when applications require enhanced protection against motor or contactor overheating, as it works in tandem with the contactor to disconnect power during unsafe temperature conditions.

Q: Where can the SIEMENS 3TF 54 be installed in an electrical setup?

A: This contactor is designed for DIN rail or panel mounting, providing flexibility for integration in control panels, switchboards, or motor control centers in industrial facilities.

Q: What benefits do the silver alloy contacts provide?

A: Silver alloy contacts offer excellent electrical conductivity and durability, yielding longer contact life and improved resistance to wear caused by frequent switching cycles.

Q: How does the contactor ensure reliable operation under vibration or fluctuation?

A: The contactor is rated for vibration resistance up to 5g (10-150Hz) and maintains proper operation within a minimum pickup voltage of 0.85x and a maximum drop-out voltage of 0.2x of the rated coil voltage, ensuring steady switching even in fluctuating industrial environments.

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