Siemens Sirius Safety Relay 3TK2828-2BB41 – Industrial Grade, Germany-made
Experience top-grade reliability and precision with the Siemens Sirius Safety Relay 3TK2828‑2BB41, engineered and manufactured in Germany. This high-performance unit offers advanced safety integration for industrial automation systems.
✅ Key Features:
• Rated control voltage: 24 V DC
• Enabling contacts: 2 × NO (instantaneous) + 2 × NO (time‑delayed 0.05–3 s)
• Signal contact: 1 × NC (feedback circuit, “SC”)
• Max. Safety Integrity Level: SIL 3 (instantaneous), SIL 2 (delayed); Performance Level e (instantaneous), d (delayed)
• Housing width: 45 mm
• Protection class: IP20 (housing & terminals)
• Connection terminals: Spring-clamp; solid/stranded wires (24–16 AWG)
• Relays: Autostart, emergency-stop compatible, in a robust ABS/plastic housing
📐 Dimensions & Weight:
• Width: 45 mm
• Height: approx. 138.5 mm; Depth: approx. 120 mm
• Weight: 0.440 kg (440 g)
📦 Packaging:
• Quantity: 1 unit
• Dimensions: 53 × 115.5 × 125 mm
• Country of origin: Germany
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Why Choose the 3TK2828‑2BB41?
This Siemens Sirius relay combines instant and time-delayed enabling contacts, offering flexible safety control in industrial setups. With SIL 3/Performance Level e standards, it fits high-safety applications like emergency stop circuits and monitored start-ups. Its compact 45 mm width, spring-terminal design, and German build quality make it a reliable choice for industrial automation.