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SIEMENS CONTACTOR - 3TF 33

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SIEMENS CONTACTOR - 3TF 33 Specification

Connector Type
Screw Type

Efficiency
High

Overheating Protection
No Inbuilt Protection (external required)

IP Rating
IP20

Humidity %
≤90% RH (non-condensing)

Shape
Rectangular

Feature
Robust Design, Long Electrical Life

Mounting Type
DIN Rail / Panel Mounting

Power Factor
≥0.8

Insulation Material
Thermoplastic

Operating Temperature
-25°C to +55°C

Surface Finish
Matt Finish Plastic

Product Type
Contactor

Application
Motor Starting, Control Circuits

Protection Level
IP20

Frequency (MHz)
50/60 Hz

Rated Voltage
690V AC

Energy Consumption
Approx. 9 VA (coil at 50Hz)

Output Type
AC

Color
Black & Grey

Dimension (L*W*H)
80 x 45 x 86 mm (approx.)

Weight
Approx. 490g

Input Voltage
220V AC (coil)

Phase
Three Phase

Size
3TF33 Series Standard

Material
High-grade Plastic and Metal

Connection Type
Screw Terminal

No Of Poles
3

Electrical Life
1 Million operations (approx.)

Installation
Vertical / Horizontal

Coil Voltage Range
24V~415V AC (depends on model)

Short Circuit Protection
Needs External Protection

Rated Current
Up to 32A

Auxiliary Contacts
1 NO + 1 NC (standard)

Control Voltage
230V AC (coil variation available)

Mechanical Life
10 Million operations (approx.)

SIEMENS CONTACTOR - 3TF 33 Trade Information

Sample Available
Yes

Main Export Market(s)
Asia

Main Domestic Market
All India

About SIEMENS CONTACTOR - 3TF 33

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.

Adaptive Control for Industrial Applications

SIEMENS 3TF 33 contactors are tailored for motor starting and control within industrial settings. The three-pole configuration, support for voltages up to 690V AC, and compatibility with both DIN rail and panel mounting cater to various operational layouts. Their robust design and matt finish assure durability in demanding conditions.

Optimized Performance and Longevity

Benefit from a contactor with a remarkable mechanical life-ten million operations-and an electrical life of approximately one million cycles. Manufactured using high-quality thermoplastic and metal, the 3TF 33 series is built for efficiency, maintaining high performance and reliability even in high-use settings.

FAQ's of SIEMENS CONTACTOR - 3TF 33:

Q: How do I select the appropriate coil voltage for the SIEMENS 3TF 33 contactor?

A: The coil voltage for the SIEMENS 3TF 33 can be chosen from a range of 24V to 415V AC, depending on your control circuit requirements. Check your application's voltage supply and select a model with a matching coil voltage for optimal performance.

Q: What are the installation options for this contactor?

A: The contactor can be installed in either a vertical or horizontal orientation and supports both DIN rail and panel mounting, providing flexibility for various electrical cabinet layouts.

Q: When should external protection devices be used with the 3TF 33 contactor?

A: External short circuit and overheating protection must be provided, as the contactor itself does not include inbuilt protection for these hazards. Ensure you incorporate suitable circuit breakers or thermal overload relays to protect your system.

Q: Where is the SIEMENS 3TF 33 typically used?

A: This contactor is widely used in motor starting, control circuits, and industrial automation systems, especially in environments requiring reliable switching in three-phase networks.

Q: What is the process for connecting power and control wiring to the contactor?

A: Utilize the screw-type terminals to connect your incoming and outgoing wires securely. Always ensure that the supply is isolated during wiring and follow the terminal diagram for correctness.

Q: How does the SIEMENS 3TF 33 benefit my industrial operation?

A: Its robust construction, long operational life, and energy-efficient coil design contribute to reduced downtime, maintenance savings, and consistent performance in demanding industrial setups.

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