What does Automation Trader do?

Automation Trader is a trusted supplier of industrial automation parts, specializing in new, hard-to-find, and discontinued components. We ensure fast delivery to minimize downtime and keep operations running smoothly.

Can I order a product that isn't listed online?

Absolutely. Automation Trader specializes in sourcing hard-to-find industrial parts. Contact us and our team will help you find the components you need.

Are all products available off the shelf?

Most of our products are available immediately or with very short lead times. For items requiring longer delivery, we always provide an estimated timeline.

Siemens 3TK2828-1BB41

SKU3TK2828-1BB41

ManufacturerSiemens

CategoryIndustrial automation components

12-month warranty

Out of stock

Select Condition

Quantity

Net price (1 pc.):

Before ordering, make sure the part fits your device.

Free consultation

Delivery

Trusted partners:

International shipping

Dedicated account manager

Real-time tracking

Description

The Siemens 3TK2828-1BB41 is a SIRIUS safety relay designed for protective door monitoring and pressure-sensitive mat monitoring applications. Operating at a supply voltage of 24 V DC, it features a compact design with a width of 45 mm and utilizes screw terminals for secure connections. The relay offers two instantaneous normally open (NO) contacts and two delayed NO contacts with adjustable delay times ranging from 0.05 to 3 seconds. Additionally, it includes one normally closed (NC) contact for safety circuits. The device supports automatic start functionality and is cross-circuit-proof, ensuring reliable operation in safety-related circuits. It has achieved a Safety Integrity Level (SIL) of 3/2 and a Performance Level (PL) of e/d, indicating high safety standards. The relay is suitable for use in environments with ambient temperatures ranging from -25 to +60 °C and can withstand storage temperatures between -40 and +80 °C. It complies with international standards, including UL approval, and has an insulation voltage rated at 300 V and a surge voltage resistance rated at 4,000 V. The enclosure and terminal protection class is IP20, providing adequate protection against dust and contact with live parts. This relay is ideal for applications requiring reliable safety monitoring and control in industrial automation systems.