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3TK2828-2BB41

The Siemens 3TK2828-2BB41 is a configurable safety relay module designed for monitoring safety circuits in industrial machinery, complying with the highest safety integrity levels (SIL 3/PL e). It provides flexible integration with emergency stops, light curtains, and other safety devices.

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TEL：400-887-3214
Mail：jilineasyyi@outlook.com
Q Q：615739355
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Key Specifications
Parameter Specification
Product Type Expandable Safety Relay (2 NO contacts)
Safety Standards ISO 13849-1 (PL e), IEC 62061 (SIL 3)
Rated Voltage 24V DC / 230V AC (±10%)
Contact Configuration 2 NO (Normally Open) safety contacts
Contact Rating 5A @ 24V DC / 6A @ 230V AC
Operating Temperature -25°C to +60°C
Response Time ≤15ms
Protection Class IP20 (DIN rail mounted)
Dimensions 45 × 99 × 114 mm (W×H×D)
Mounting 35mm DIN rail
Certifications CE, UL, cULus, TÜV
Technical Features
Dual-channel fault detection with cross-circuit monitoring

Flexible reset modes (manual, automatic, monitored)

LED diagnostics (power, fault, channel status)

Forced-guided relays (EN 50205 compliant)

Modular expansion with other 3TK28 relays

Compatible with safety PLCs (e.g., SIMATIC F/Failsafe)

Typical Applications
Emergency stop (E-stop) circuits

Safety gate and interlock monitoring

Light curtain/area scanner integration

Two-hand control systems

Presses, robots, and automated machinery