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SIEMENS 3TB4817-0AM0 Contactor

Product Description

SIEMENS 3TB4817-0AM0 is a 3TB series contactor designed for industrial switching applications. It is mainly used for controlling motors, DC loads, and other electrical equipment in industrial automation and power control systems.

The 3TB series is a heavy-duty Siemens contactor family suitable for reliable switching in demanding industrial environments.

Specifications

Brand: SIEMENS
Model: 3TB4817-0AM0
Series: 3TB
Product Type: Contactor
Frame Size: 4
Main Application: Industrial load switching
Number of Poles: 2 Pole
Rated Operational Current: 75 A
Auxiliary Contacts: 2 NO + 2 NC
Coil Voltage: 220 V AC
Mounting: Screw fixing
Utilization Category: DC-3 / DC-5

Functions

Controls switching of electrical loads
Provides electrical isolation between control circuit and power circuit
Switches motors, DC drives, and industrial equipment
Supports remote ON/OFF control through coil activation
Provides auxiliary contacts for feedback and interlocking circuits

Advantages & Features

Siemens industrial-grade contactor design
High switching reliability
Suitable for high-current applications
Strong mechanical durability
Multiple auxiliary contacts for flexible control wiring
Designed for industrial automation environments

Applications

DC motor control systems
Industrial machinery
Automation control cabinets
Power switching equipment
Conveyor systems
Drive control applications
Electrical distribution systems

Notes

3TB4817-0AM0 is a contactor, not an overload relay or circuit breaker
Confirm coil voltage before installation
Check main contact rating and load type before replacement
Verify auxiliary contact arrangement (2NO + 2NC)
Ensure proper arc suppression and wiring practices for DC switching applications