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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3LD2064-1GP53 |
| Alternative Part Number | 3LD20641GP53 |
| Manufacturer | Siemens |
| Series | SENTRON |
| Type | Switch Disconnector |
| Rated Operational Voltage | 690 V ac |
| Rated Operational Current | 16 A |
| Conditional Short-Circuit Current | 50 kA |
| Number of Poles | 3 Pole |
| Power Loss per Pole | 0.5 W |
| Dimensions | 100 x 116 x 140 mm |
| Mechanical Service Life | Typically 100,000 switching cycles |
| Electrical Endurance | 6,000 switching cycles at AC-23 A / 690 V |
| Operating Power | At AC-23 A / 400 V: 7.5 kW |
| Insulation Voltage | Rated at 690 V |
| Surge Voltage Resistance | Rated at 6 kV |
| Protection Class | IP65 |
| Degree of Protection NEMA | Rating 1, 4X, 12 |
| Operating Frequency | Maximum 50 operations per hour |
| Ambient Operating Temperature Range | -25 °C to +55 °C |
| Colour of Actuating Element | Red |
| Suitability for Use | Main switch, Switch disconnector, EMERGENCY OFF switch, Safety switch, Maintenance/repair switch |
| Product Function | Can be locked in OFF position |
| Number of Bracket Locks | Maximum 3 |
| Hasp Thickness for Bracket Locks | Minimum 4 mm, Maximum 8 mm |
| Auxiliary Contacts | 1 NC (Normally Closed), 1 NO (Normally Open) |
| Operating Voltage for Auxiliary Contacts | Maximum 500 V ac |
| Continuous Current for Auxiliary Contact | Rated at 10 A |
| Insulation Voltage for Auxiliary Switch | Rated at 500 V |
The Siemens 3LD2064-1GP53 is a robust switch disconnector from the SENTRON series, designed to ensure reliable disconnection and switching operations in a variety of industrial applications. This three-pole device is rated for use at 690 V ac and can handle operational currents up to 16 A, making it suitable for managing operating power at AC-23 A 400 V up to 7.5 kW.
Crafted with a molded plastic encapsulation, it is equipped with one normally closed (NC) and one normally open (NO) contact, alongside a rotary operating mechanism that is colour-coded in red and yellow for clear, intuitive operation. The switch disconnector is also capable of being locked in the OFF position for added security during maintenance or in emergency situations.
With a mechanical service life of typically 100,000 switching cycles and an electrical endurance at AC-23 A at 690 V of 6,000 cycles, this device is built for longevity and reliability. It also boasts an insulation voltage rated at 690 V and a surge voltage resistance rated at 6 kV, ensuring it can withstand challenging electrical environments.
The Siemens 3LD2064-1GP53 is designed with user safety in mind, functioning effectively as a main switch, switch disconnector, EMERGENCY OFF switch, safety switch, and maintenance/repair switch. Its IP65 protection class rating signifies a high level of protection against dust ingress and water jets, making it suitable for harsh industrial settings.
This switch disconnector's compact dimensions of 100 x 116 x 140 mm allow for efficient use of space within electrical installations, and its design facilitates easy and secure mounting. The product's operational efficiency is further enhanced by a low power loss of 0.5 W per pole in a hot operating state, contributing to a more energy-efficient system.
Overall, the Siemens 3LD2064-1GP53 is a versatile and reliable component for industrial power systems, offering secure disconnection and switching capabilities with the added benefit of emergency stop functionality.
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Frequently Asked Questions
What is the operational voltage range for this switch disconnector?
The switch disconnector is designed to operate at an insulation voltage rated at 690 V and has a surge voltage resistance rated at 6 kV.
Can this switch disconnector be used as an emergency stop switch?
Yes, the Siemens 3LD2064-1GP53 is suitable for use as an emergency stop switch, among other applications such as a main switch, switch disconnector, safety switch, and maintenance/repair switch.
What is the rated operational current of this device?
The rated operational current for this device at 40°C is 16 A.
What are the dimensions of the switch disconnector?
The dimensions of the switch disconnector are 100 mm in width, 116 mm in depth, and 140 mm in height.
What is the mechanical service life of the switch disconnector?
The mechanical service life of the switch disconnector is typically 100,000 switching cycles.
What type of connections can be made with this switch disconnector?
The switch disconnector allows for connections with solid, finely stranded with core end processing, and stranded conductors. It features box terminal connections for the main current circuit and connection terminals for auxiliary contacts.
What is the protection class of this switch disconnector?
The protection class of the switch disconnector is IP65, and it also has a NEMA rating of 1, 4X, 12.
Can the switch disconnector be locked in the OFF position?
Yes, the product has a function that allows it to be locked in the OFF position for safety and maintenance purposes.
What is the conditional short-circuit current rating with line-side fuse protection?
The conditional short-circuit current rating with line-side fuse protection at 690 V, by gG fuse, is rated at 50 kA.
What are the colour and design of the actuating element?
The actuating element of the switch disconnector is red, and it has a short rotary knob design.
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