The Siemens 3LD2714-0TK53 Main Control and Emergency Stop Switch is a high-performance switch disconnector engineered to provide safe isolation, emergency shutdown capability, and reliable power control in industrial electrical installations. As part of the trusted Siemens SENTRON 3LD2 Series, this switch is designed to meet the demanding requirements of industrial control panels, power distribution systems, motor control centers, OEM machinery, and automation applications. The device combines Siemens’ proven engineering expertise with robust safety features, ensuring dependable operation even in challenging environments.
The 3LD2714-0TK53 is configured as a 3-pole emergency switching-off switch with a rated operational current of 100A. Siemens specifies an operating power rating of 37 kW at AC-23A, 400V, making it suitable for switching motor loads, industrial machinery, and power distribution circuits. Its robust electrical characteristics make it an ideal solution for installations where reliable circuit isolation and emergency disconnection are critical.
One of the most important advantages of the Siemens 3LD2714-0TK53 is its ability to function as both a main switch and an emergency stop switch. During maintenance, servicing, or emergency situations, operators can quickly disconnect electrical circuits to protect personnel and equipment. Siemens specifically classifies this model as an emergency switching-off switch designed for safety-related isolation applications.
The switch features a floor-mounted design with door coupling, allowing safe operation from outside the enclosure. This arrangement enables operators to isolate equipment without opening the control panel, reducing exposure to live electrical components and improving workplace safety. The door-coupling mechanism is connected through a rotary shaft system that ensures reliable switching performance and convenient operation.
A distinctive feature of the 3LD2714-0TK53 is its highly visible red/yellow rotary operating handle, which provides immediate recognition as an emergency stop device. The handle design supports rapid operation during emergency conditions and offers clear ON/OFF position indication for improved operational safety. This makes the switch particularly suitable for safety-critical industrial applications where quick isolation is required.
The Siemens SENTRON 3LD2 Series is renowned for durability and long-term reliability. The 3LD2714-0TK53 is manufactured according to Siemens' stringent quality standards and is designed to withstand demanding industrial operating conditions. With a rated operational voltage of up to 690V AC, the switch supports a wide range of industrial applications while maintaining dependable electrical performance.
Another significant benefit is its environmental protection capability. The switch provides IP65 protection at the front, helping safeguard against dust ingress and water exposure. This makes it suitable for manufacturing plants, process industries, infrastructure projects, and other environments where reliability under harsh conditions is essential.
The 3LD2714-0TK53 also supports lockout/tagout (LOTO) procedures by allowing the switch to be secured in the OFF position. This feature enhances maintenance safety and helps organizations comply with industrial safety practices during equipment servicing and repair activities.
At SB Smart (SBSmart.in), we provide genuine Siemens electrical and industrial automation products sourced through trusted supply channels. The Siemens 3LD2714-0TK53 Main Control and Emergency Stop Switch ensures authentic Siemens quality, dependable performance, and long-term operational reliability for critical industrial applications.
Whether you are designing a new electrical panel, upgrading a power distribution system, or implementing a reliable emergency isolation solution, the Siemens 3LD2714-0TK53 delivers the safety, durability, and operational confidence expected from Siemens SENTRON products.
| Specification | Details |
|---|---|
| Product Name | Main Control & Emergency Stop Switch |
| Part Number | 3LD2714-0TK53 |
| SKU | 3LD2714-0TK53 |
| Brand | Siemens |
| Product Family | SENTRON 3LD2 |
| Product Type | Emergency Switching-Off Switch |
| Number of Poles | 3 Pole |
| Rated Current (Iu) | 100 A |
| Rated Operational Voltage | 690 V AC |
| Operating Power AC-23A at 400V | 37 kW |
| Mounting Type | Floor Mounting |
| Operating Mechanism | Door Coupling Rotary Handle |
| Handle Color | Red / Yellow |
| Protection Rating | IP65 (Front) |
| Short-Time Withstand Current (Icw) | 2 kA / 1 sec |
| Lockable in OFF Position | Yes |
| Application | Main Switch, Emergency Stop & Isolation |
| Standards Compliance | IEC 60947-3 |
| Suitable For | Industrial Power Distribution Systems |
| Manufacturer | Siemens |
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