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header-product Siemens 3LD switch disconnector 3P IP65 125A 3LD28140TK53

Siemens 3LD switch disconnector 3P IP65 125A 3LD28140TK53

Siemens 3LD Switch Disconnector 3LD28140TK53 Photo 1
Siemens 3LD Switch Disconnector 3LD28140TK53 Photo 2
Siemens 3LD Switch Disconnector 3LD28140TK53 Photo 1
Siemens 3LD Switch Disconnector 3LD28140TK53 Photo 2
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Short description

Siemens 3LD switch disconnector model 3LD28140TK53 features a 3-pole configuration and robust IP65 protection rating, ensuring reliable electrical circuit disconnection and safety in industrial applications. Designed for secure power control, maintenance, and distribution tasks.
Warranty: 2 Years
SKU: 1842596
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Product information

Description

The Siemens 3LD switch disconnector 3LD28140TK53 is a reliable 3-pole electrical device engineered for secure power control, maintenance, and distribution tasks. Designed to function as an emergency switching-off switch, it ensures safe circuit disconnection across various industrial and commercial settings. With its robust IP65 protection rating and encapsulated enclosure, it is fully equipped for demanding environments and outdoor applications where dust and water resistance are essential.

Advantages

This Siemens switch disconnector offers exceptional safety for users and systems through its reliable load shutdown capabilities and locking mechanism on the rotary operating mechanism. Its modular design allows for fast and easy mounting of auxiliary components such as N-PE terminals or a fourth pole. International approvals including IEC, UL, CCC, and shipbuilding standards make it a versatile choice suitable for global deployment.

Suitable for

  • Safely shutting down three-phase motors and electrical loads
  • Air conditioning and ventilation systems
  • Machining and processing machinery in mechanical and conveyor system construction
  • Applications in the chemical, food, and beverage industries
  • Emergency switching-off operations requiring robust IP65 protection

When it may not be suitable

This switch disconnector is not designed for standard residential electrical installations or low-current household applications where compact modular circuit breakers are typically required. It may also not be suitable for applications that strictly demand direct DIN rail mounting without utilizing the floor mounting and door coupling configuration provided.

Key specifications

  • 3-pole configuration (3P)
  • Rated current (Iu): 125 A
  • Operating power at AC-23 A 400 V: 45 kW
  • Protection rating: IP65
  • Floor mounting with door coupling and red/yellow rotary operating mechanism
  • 4-hole mounting of the handle
  • Height: 106 mm

How to use

The device is intended for floor mounting with a door coupling and features a red/yellow rotary operating mechanism with 4-hole handle mounting. Installation should be performed by qualified electrical personnel in accordance with relevant safety standards. The rotary mechanism can be locked to prevent accidental reactivation during maintenance or emergency shutdown procedures, ensuring secure power isolation.

What to consider before purchase

  • Verify that the 125 A rated current and 45 kW operating power match your specific electrical load requirements
  • Confirm that floor mounting with door coupling is compatible with your enclosure or machinery design
  • Check the physical dimensions, including the 106 mm height and packaging specifications, to ensure adequate space
  • Ensure compliance with local electrical codes and required operational approvals

For optimal safety and performance, always verify that the system is completely de-energized before performing any maintenance work and ensure that the installation complies with all applicable electrical regulations and standards.

All features
Minimum order quantity:
1 pc(s)
Construction type: The way in which the product is constructed.
Fixed built-in technique
Battery included:
No
Maximum order quantity:
1 pc(s)
Compliance certificates: Indicates which regulatory, safety, and environmental standards the product complies with, as verified by recognized authorities or certification bodies.
CE
Reverse function:
No
Main circuit connection type:
Frame clamp
Number of auxiliary NC contacts:
0
Number of auxiliary NO contacts:
0
Control element type:
Short rotary handle
Rated continuous current (Iu):
125 A
Number of auxiliary change-over contacts:
0
Integrated motor drive:
No
Optional motor drive:
No
Rated operational power (AC-3, 400V):
37 kW
Degree of protection (NEMA):
Other
Maximum rated operational voltage (Ue AC):
690 V
Emergency stop version:
Yes
Main switch version:
Yes
Safety switch version:
Yes
Control element colour:
Red
Rated operational power (AC-23, 400V):
45 kW
Maintenance/service switch version:
Yes
Interlockable:
Yes
Optional voltage release:
No
Rated permanent current (AC-21, 400V):
125 A
Rated permanent current (AC-23, 400V):
80 A
Suitable for floor mounting:
Yes
Suitable for front mounting (4-hole):
Yes
Suitable for front mounting (centre):
No

Packaging data

Package weight: Weight of the packaged product.
761 g
Package depth: The distance from the front to the back of the packaging.
475 mm
Package height: The distance from the top to the bottom of the packaging.
113 mm
Package width: The distance from one side of the packaging to the other.
142 mm

Features

Number of poles:
3P

Design

International Protection (IP) code: The IP code classifies and rates the degree of protection provided against the intrusion (including body parts such as hands and fingers), dust, accidental contact, and water by mechanical casings and electrical enclosures. It is published by the International Electrotechnical Commission (IEC). The digits (characteristic numerals) indicate conformity with the conditions summarized in the tables below. Where there is no protection rating with regard to one of the criteria, the digit is replaced with the letter X. an electrical socket rated IP22 is protected against insertion of fingers and will not be damaged or become unsafe during a specified test in which it is exposed to vertically or nearly vertically dripping water. Another example is the Sony Xperia Z Ultra, one of the first cellular phones to be IP-rated; it is rated at IP58 and marketed as "dust resistant" and can be "immersed in 1.5 meter of freshwater for up to 30 minutes".
IP65

Weight & dimensions

Height: The measurement of the product from head to foot or from base to top.
106 mm

Description

Machine translation.

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Customer questions

FAQ

What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Siemens products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Siemens service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.