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Siemens 3TK2825-1BB40 | SIRIUS Safety Relay – 24V DC, 3NO + 1NC, SIL 3 / PL e / Category 4
Overview
The Siemens 3TK2825-1BB40 is a SIRIUS safety relay designed to monitor emergency stop buttons, safety door switches, and other safety devices in accordance with SIL 3, PL e, and Category 4 standards. It provides 3 normally open (NO) safety outputs and 1 normally closed (NC) signaling contact, operates on 24V DC, and mounts easily to a DIN rail.
Key Features
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Control Voltage: 24V DC
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Safety Outputs: 3 × NO (safety contacts)
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Signal Output: 1 × NC (monitoring contact)
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Safety Ratings:
-
SIL 3 (IEC 62061)
-
PL e / Cat. 4 (ISO 13849-1)
-
-
Reset Options: Manual or automatic
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Connection Type: Screw terminals
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Mounting: DIN rail (EN 60715)
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Width: 45 mm
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LED Indicators: Status and diagnostics
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Enclosure Protection: IP20
Technical Specifications
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Part Number: 3TK2825-1BB40
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Series: SIRIUS 3TK28
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Rated Voltage: 24V DC
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Rated Current: Up to 6A per contact (AC-15 at 230V)
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Response Time: < 20 ms
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Mechanical Life: ≥ 10 million operations
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Operating Temperature: –25°C to +60°C
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Dimensions (HxWxD): Approx. 100 × 45 × 120 mm
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Certifications: CE, UL, cULus, TÜV, RoHS, EN ISO 13849-1, IEC 62061
Applications
-
Emergency stop circuits
-
Safety door and interlock monitoring
-
Light curtain safety systems
-
Two-hand control stations
-
Machine tool safety systems
Why Choose the 3TK2825-1BB40?
-
High-Level Safety Compliance: Meets SIL 3, PL e, and Cat. 4 standards
-
Flexible Output Options: 3 safety contacts + 1 signal contact
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Compact & Modular: Saves space in control cabinets
-
Reliable Siemens Quality: Engineered for industrial use
-
Diagnostic LEDs: Quick troubleshooting and maintenance
Order Now
The Siemens 3TK2825-1BB40 is available and ships worldwide.
Descrição
Siemens 3TK2825-1BB40 | SIRIUS Safety Relay – 24V DC, 3NO + 1NC, SIL 3 / PL e / Category 4
Overview
The Siemens 3TK2825-1BB40 is a SIRIUS safety relay designed to monitor emergency stop buttons, safety door switches, and other safety devices in accordance with SIL 3, PL e, and Category 4 standards. It provides 3 normally open (NO) safety outputs and 1 normally closed (NC) signaling contact, operates on 24V DC, and mounts easily to a DIN rail.
Key Features
-
Control Voltage: 24V DC
-
Safety Outputs: 3 × NO (safety contacts)
-
Signal Output: 1 × NC (monitoring contact)
-
Safety Ratings:
-
SIL 3 (IEC 62061)
-
PL e / Cat. 4 (ISO 13849-1)
-
-
Reset Options: Manual or automatic
-
Connection Type: Screw terminals
-
Mounting: DIN rail (EN 60715)
-
Width: 45 mm
-
LED Indicators: Status and diagnostics
-
Enclosure Protection: IP20
Technical Specifications
-
Part Number: 3TK2825-1BB40
-
Series: SIRIUS 3TK28
-
Rated Voltage: 24V DC
-
Rated Current: Up to 6A per contact (AC-15 at 230V)
-
Response Time: < 20 ms
-
Mechanical Life: ≥ 10 million operations
-
Operating Temperature: –25°C to +60°C
-
Dimensions (HxWxD): Approx. 100 × 45 × 120 mm
-
Certifications: CE, UL, cULus, TÜV, RoHS, EN ISO 13849-1, IEC 62061
Applications
-
Emergency stop circuits
-
Safety door and interlock monitoring
-
Light curtain safety systems
-
Two-hand control stations
-
Machine tool safety systems
Why Choose the 3TK2825-1BB40?
-
High-Level Safety Compliance: Meets SIL 3, PL e, and Cat. 4 standards
-
Flexible Output Options: 3 safety contacts + 1 signal contact
-
Compact & Modular: Saves space in control cabinets
-
Reliable Siemens Quality: Engineered for industrial use
-
Diagnostic LEDs: Quick troubleshooting and maintenance
Order Now
The Siemens 3TK2825-1BB40 is available and ships worldwide.