The Siemens 3LD2804-0TK53 is a Main Control and Emergency Stop Switch from the Siemens 3LD2 series, designed for manual switching, electrical isolation and emergency-stop applications in industrial equipment. It can be used in machinery, control panels and electrical installations where a clearly defined manual switching or shutdown function is required.
The Siemens 3LD2 range is designed for functions such as main switching, maintenance switching, ON/OFF control and emergency stopping. The 3LD2804-0TK53 can therefore be considered for industrial machines, production equipment, OEM machinery and control panels where dependable manual operation is required.
Its compact design allows integration into electrical panels and machine control systems. The switch provides an accessible operating point for equipment control and electrical isolation.
The Siemens 3LD2804-0TK53 can be considered for:
The Siemens 3LD2 Main Control and Emergency Stop Switch provides a practical manual switching solution for industrial equipment. It can provide operators with a dedicated switching point for controlling or disconnecting electrical equipment.
In machinery applications, an appropriately selected 3LD2 device can be incorporated into main switching, maintenance isolation or emergency-stop arrangements, depending on the machine design and applicable safety requirements.
Its compact construction is useful for OEMs and panel builders integrating manual switching devices into control cabinets and machinery. It can also provide a convenient isolation point for maintenance personnel.
Before installation, verify the electrical rating, pole configuration, switching function, mounting arrangement and emergency-stop requirements against the intended application.
SB Smart supplies Siemens industrial electrical and automation products across India, including Faridabad, Delhi NCR, Noida, Gurgaon/Gurugram, Ghaziabad, Manesar, Mumbai, Pune, Ahmedabad, Vadodara, Surat, Jaipur, Chandigarh, Ludhiana, Hyderabad, Bengaluru/Bangalore, Chennai, Kolkata, Indore and Lucknow, along with other major industrial locations.
The Siemens 3LD2804-0TK53 can be considered by panel builders, OEMs, machine manufacturers, electrical contractors, system integrators and industrial maintenance teams looking for Siemens 3LD2 main control and emergency-stop switches.
1. What is Siemens 3LD2804-0TK53?
It is a Siemens 3LD2 Main Control and Emergency Stop Switch designed for manual switching, isolation and suitable emergency-stop applications.
2. What is the Siemens 3LD2 series used for?
The 3LD2 series supports applications such as main switching, maintenance isolation, ON/OFF control and emergency-stop functions.
3. Where can the 3LD2804-0TK53 be used?
It can be considered for industrial machinery, control panels, OEM equipment and production systems, subject to correct selection.
4. Can it be used as an emergency-stop switch?
It can be incorporated into an emergency-stop arrangement where the device configuration and complete machine safety design satisfy the applicable requirements. The overall emergency-stop circuit must be properly designed and validated.
5. Is it suitable for industrial control panels?
Yes. Siemens 3LD2 switches are designed for industrial switching, isolation and control applications.
6. Can I buy Siemens 3LD2804-0TK53 from SB Smart?
SB Smart supplies Siemens industrial electrical products across India, subject to product availability and order confirmation.
| Specification | Details |
|---|---|
| Product Name | Main Control & Emergency Stop Switch |
| Part Number | 3LD2804-0TK53 |
| SKU | 3LD2804-0TK53 |
| Brand | Siemens |
| Product Family | SENTRON 3LD2 |
| Product Type | Emergency Switching-Off Switch |
| Number of Poles | 3 Pole |
| Rated Current (Iu) | 125 A |
| Rated Operational Voltage | 690 V AC |
| Operating Frequency | 50/60 Hz |
| Operating Power AC-23A at 400V | 45 kW |
| Operating Power AC-23A at 690V | 37 kW |
| Operating Power AC-3 at 400V | 37 kW |
| Operating Power AC-3 at 690V | 30 kW |
| Mounting Type | Front Mounted |
| Handle Type | Red/Yellow Rotary Operating Mechanism |
| Switch Position | 1 ON – 0 OFF |
| Protection Rating | IP65 Front |
| NEMA Rating | 1, 3R, 4X, 12 |
| Insulation Voltage (Ui) | 690 V |
| Surge Voltage Resistance | 6 kV |
| Short-Time Withstand Current (Icw) | 2000 A / 1 sec |
| Mechanical Life | 100,000 Operations |
| Lockable in OFF Position | Yes |
| Application | Main Switch, Emergency Stop, Safety Switch |
| Weight | Approx. 0.48 – 0.49 kg |
| Manufacturer | Siemens |
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