# Contactor Safety Relay 3TK2803-0BB4 | Siemens

The Siemens Contactor Safety Relay 3TK2803-0BB4 is a reliable and durable solution for your electrical control needs. With a part number of 3TK2803, this safety relay is designed to provide essential protection and control for your circuits. This particular model, 3TK2803-0BB4, is ideal for switching and monitoring circuits, ensuring the safety and efficiency of your operations.

Equipped with 2S 2NO, this Siemens safety relay is built to meet the highest standards of quality and performance. It operates on a DC 24V power supply and is compliant with VDE 0660 and IEC 60947-1 standards. With a maximum AC-1 current rating of 6A, this relay is suitable for a wide range of applications. Additionally, the auxiliary contact B300/Q300 allows for seamless integration with other control devices.

Manufactured in the Czech Republic, the Siemens Contactor Safety Relay 3TK2803-0BB4 is a versatile and robust solution for your industrial control needs. It is designed for general use with copper wire up to 60°C and offers reliable performance in a variety of environments. With a weight of 800 gm, this safety relay is lightweight and easy to install, making it an ideal choice for your control panel or electrical system.

Upgrade your safety and control systems with the Siemens Contactor Safety Relay 3TK2803-0BB4. With its advanced features and high-quality construction, this relay is a dependable choice for protecting your circuits and ensuring smooth operation. Trust Siemens for all your industrial control needs and experience the reliability and performance of the 3TK2803-0BB4 safety relay.

## Details

- **Price:** 999.0 USD
- **Vendor:** Ram Automations
- **Type:** simple
- **Tags:** issues, Ram Automations

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Used | 999.00 USD | In stock |

## Images

- Contactor Safety Relay 3TK2803-0BB4 | Siemens-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/contactor-safety-relay-3tk2803-0bb4-siemens)
> Updated: 2026-09-19