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Siemens 3LD2203-0TK53
by Siemens
Read verified buyer reviews ↓OverviewThe Siemens 3LD2203-0TK53 SIRIUS 3LD Main Switch is an essential component for dependable industrial power circuit and motor isolation. This 3-pole main switch is engineered to provide uncompromising safety and operational integrity, even in demanding industrial environments. With a substantial rated current of 25A and a high voltage capacity of 690V, it guarantees secure and efficient disconnection of electrical equipment, protecting both personnel and machinery. Its adaptable design allows for seamless integration into various critical applications, functioning as a primary switch, a dedicated maintenance switch, or a vital emergency stop switch. This makes the 3LD2203-0TK53 crucial for optimizing safety and control within industrial control panels, sophisticated motor control systems, and machinery safety installations.Key Features 3-Pole Design: Guarantees complete and secure circuit disconnection, enhancing operational safety during upkeep or fault conditions. 25A Current Rating: Perfectly suited for a wide array of low to medium power loads, ensuring reliable performance across diverse industrial applications. 690V Voltage Rating: Engineered to deliver consistent and secure operation even in high-voltage industrial settings, providing exceptional stability. Durable and Compact Construction: Built with premium materials for exceptional longevity and a space-saving form factor that maximizes panel space without compromising performance. Easy Installation: Designed for intuitive panel mounting, allowing for quick and straightforward integration into existing or new control systems. Multi-functional Capability: Adaptable for use as a main switch, maintenance switch, or emergency stop switch, offering flexible solutions for various safety requirements. Industry Standard Compliance: Adheres to stringent industrial safety and automation standards, ensuring peace of mind and regulatory conformity. Technical Specifications Product Type: SIRIUS 3LD Main Switch Part Number: 3LD2203-0TK53 Number of Poles: 3-Pole Rated Current: 25A Voltage Rating: 690V AC Mounting Type: Panel Mount Application: Main switch, isolator, emergency stop switch Compliance: Meets industrial safety and automation standards Applications Motor Circuit Isolation: Provides an essential safeguard for motor circuits, allowing for safe servicing and preventing accidental startups. Industrial Control Panel Integration: Crucial for ensuring secure power switching within automated systems and complex industrial control setups. Emergency Stop Systems: Forms a critical component in emergency stop circuits, rapidly cutting power to prevent accidents and protect operators. HVAC Systems: Ideal for isolating power to heating, ventilation, and air conditioning units in industrial settings. Conveyor Systems: Ensures safe lockout/tagout procedures for maintenance on conveyor lines and related machinery. Machine Tool Safety: Integral for isolating power to machine tools, complying with safety regulations during setup and repair. Why Choose This Model? Unwavering Reliability from SIEMENS: Benefit from the legendary quality and engineering excellence of SIEMENS, a global leader in industrial automation. Enhanced Operational Safety: The 3-pole design and robust construction ensure superior safety by providing complete power isolation, minimizing risks during operation and maintenance. Versatility for Diverse Needs: Its adaptability as a main, maintenance, or emergency stop switch makes it a cost-effective and highly functional solution for multiple applications. Optimized for Industrial Environments: Designed to withstand the rigors of industrial settings, offering long-term durability and consistent performance under challenging conditions. Streamlined Installation: Engineered for quick and easy panel mounting, reducing installation time and complexity, thereby lowering overall project costs. Compliance and Peace of Mind: Adheres to strict industrial safety standards, guaranteeing regulatory conformity and providing confidence in your operations. Order NowSecure essential industrial power control with the Siemens 3LD2203-0TK53 SIRIUS 3LD Main Switch. Experience enhanced safety, reliability, and versatility for your critical applications.FAQWhat is the primary function of the Siemens 3LD2203-0TK53?The primary function of the Siemens 3LD2203-0TK53 is to provide robust and secure power circuit and motor isolation in industrial environments. It can also serve as a maintenance or emergency stop switch.What is the rated current and voltage capacity of this switch?The Siemens 3LD2203-0TK53 has a rated current of 25A and a voltage capacity of 690V AC.Can this switch be used for emergency stop applications?Yes, its multi-functional capability allows it to be used effectively as an emergency stop switch, ensuring rapid power disconnection for safety.What are the benefits of its compact construction?The compact construction of the Siemens 3LD2203-0TK53 allows for optimal use of panel space without compromising performance or durability.Does this switch comply with industrial safety standards?Yes, the Siemens 3LD2203-0TK53 meets stringent industrial safety and automation standards, ensuring regulatory adherence and operational peace of mind.
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Siemens 3LD2203-0TK53
Overview
This is a genuine Siemens component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Siemens catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Siemens automation ecosystem
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Siemens equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Siemens platform with documented conversion notes
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Product Type: SIRIUS 3LD Main Switch
- Part Number: 3LD2203-0TK53
- Number of Poles: 3-Pole
- Rated Current: 25A
- Voltage Rating: 690V AC
- Mounting Type: Panel Mount
- Application: Main switch, isolator, emergency stop switch
- Compliance: Meets industrial safety and automation standards
Applications
- Motor Circuit Isolation: Provides an essential safeguard for motor circuits, allowing for safe servicing and preventing accidental startups.
- Industrial Control Panel Integration: Crucial for ensuring secure power switching within automated systems and complex industrial control setups.
- Emergency Stop Systems: Forms a critical component in emergency stop circuits, rapidly cutting power to prevent accidents and protect operators.
- HVAC Systems: Ideal for isolating power to heating, ventilation, and air conditioning units in industrial settings.
- Conveyor Systems: Ensures safe lockout/tagout procedures for maintenance on conveyor lines and related machinery.
- Machine Tool Safety: Integral for isolating power to machine tools, complying with safety regulations during setup and repair.
Why Choose the 3LD2203-0TK53?
- Unwavering Reliability from SIEMENS: Benefit from the legendary quality and engineering excellence of SIEMENS, a global leader in industrial automation.
- Enhanced Operational Safety: The 3-pole design and robust construction ensure superior safety by providing complete power isolation, minimizing risks during operation and maintenance.
- Versatility for Diverse Needs: Its adaptability as a main, maintenance, or emergency stop switch makes it a cost-effective and highly functional solution for multiple applications.
- Optimized for Industrial Environments: Designed to withstand the rigors of industrial settings, offering long-term durability and consistent performance under challenging conditions.
- Streamlined Installation: Engineered for quick and easy panel mounting, reducing installation time and complexity, thereby lowering overall project costs.
- Compliance and Peace of Mind: Adheres to strict industrial safety standards, guaranteeing regulatory conformity and providing confidence in your operations.
Availability & Shipping
- ▸In stock: 3LD2203-0TK53 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every 3LD2203-0TK53 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Siemens
Machine down? We ship parts the same day.
New, surplus, and refurbished Siemens inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.