3TK2841-1BB40_SIEMENS_PRODUCT_吉林易择科技技术发展有限公司

The Siemens 3TK2841-1BB40 is a configurable safety relay module designed for monitoring safety functions in industrial automation systems. It complies with the highest safety standards (SIL 3/PL e) and features flexible reset options for diverse safety applications.

Grace +86 13600179521

DESCRIBE

Key Specifications
Parameter Specification
Product Type Safety Relay Module (1 NO contact)
Safety Standards ISO 13849-1 (PL e), IEC 62061 (SIL 3)
Rated Voltage 24V DC / 230V AC (±10%)
Contact Configuration 1 NO (Normally Open) safety contact
Contact Rating 6A @ 230V AC / 5A @ 24V DC
Response Time ≤20ms
Operating Temperature -25°C to +60°C
Dimensions 22.5 × 99 × 114 mm (W×H×D)
Mounting DIN rail (35mm)
Protection Class IP20
Certifications CE, UL, cULus, TÜV
Technical Features
Forced-guided contacts (EN 50205 compliant)

Configurable reset (manual/automatic/monitored)

LED status indicators (Power, Fault, Channel Status)

Cross-circuit detection for wiring faults

Modular design for system expansion

Compatible with SIMATIC Safety PLCs

Typical Applications
Emergency stop circuits (Category 4)

Safety gate monitoring

Light curtain interfaces

Two-hand control systems

Press and robotic cell safety

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