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3TK2828-1BB41

The Siemens 3TK2828-1BB41 is a safety relay expansion module designed to extend safety circuits in industrial automation systems. It provides additional safety contacts while maintaining compliance with stringent safety standards (SIL 3/PL e).

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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 Safety Relay Expansion Module
Safety Standards ISO 13849-1 (PL e), IEC 62061 (SIL 3)
Contact Configuration 1 NO (Normally Open) safety contact
Contact Rating 6A @ 230V AC / 5A @ 24V DC
Operating Voltage 24V DC / 230V AC (±10%)
Response Time ≤20ms
Mechanical Life 10,000,000 operations
Electrical Life 100,000 operations (at rated load)
Dimensions 22.5 × 99 × 114 mm (W×H×D)
Weight 150g
Protection Class IP20
Certifications CE, UL, cULus, TÜV
Technical Features
Forced-guided contacts (EN 50205 compliant)

LED status indication (contact status)

DIN rail mounting (35mm)

Modular design for easy system expansion

Compatible with base units (e.g., 3TK2827-1BB40)

Manual reset capability

Cross-circuit detection

Typical Applications
Additional safety contacts for E-stop circuits

Safety gate monitoring extensions

Light curtain redundancy

Two-hand control systems

Press and stamping machine safety