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3TK2821-1CB30 | Siemens Safety Relay
- Regular price
- $294.00
- Sale price
- $294.00
- Regular price
-
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Product Description P/N: 3TK2821-1CB30
Description
The Siemens 540-155 is a protective enclosure for terminal equipment controllers, offering secure mounting and environmental shielding in HVAC and building automation systems.
Technical Specifications
| Condition | New/Never Used Surplus |
|---|---|
| Brand | Siemens |
| Category | Safety Systems |
| Part Number | 3TK2821-1CB30 |
| Subcategory | Safety Relay |
| Series | SIRIUS |
| Control Voltage | 24 VAC/DC |
| Output Configuration | Normally Open (N/O), 1 Normally Closed (N/C) |
| Start Function | Automatic or Manual Start selectable |
| Output Type | Relay enabling circuits |
| Safety Level | Suitable for applications up to SIL 3 / PL e (with proper wiring) |
| Terminal Type | Screw terminals |
| Housing Width | 22.5 mm |
| Protection Feature | Finger-safe terminals |
| Weight | 0.247 kgs |
Information About 3TK2821-1CB30
The Siemens 3TK2821-1CB30 is a compact safety relay from the SIRIUS series, designed for monitoring emergency stop and safety circuits in industrial automation systems. It ensures dependable shutdown of hazardous operations, meeting stringent safety requirements in manufacturing and machine control applications.
Key Features:
-
Product Type: Safety relay for emergency stop and safety monitoring
-
Series: SIRIUS
-
Control Voltage: 24 VAC/DC
-
Output Configuration: 3 Normally Open (N/O) enabling outputs, 1 Normally Closed (N/C) feedback output
-
Start Options: Selectable automatic or manual start
-
Output Type: Relay enabling circuits
-
Terminal Type: Screw terminals
-
Housing Width: 22.5 mm (DIN-rail mountable)
-
Safety Certification: SIL 3 (IEC 61508), PL e (ISO 13849-1), Category 4
-
Protection Features: Finger-safe terminals for enhanced operator safety
This safety relay is ideal for use in e-stop circuits, safety door monitoring, and other safety-critical applications in machine and process control. Its compact design, reliable switching performance, and compliance with international safety standards make it a key component in industrial automation systems.
Description
The Siemens 540-155 is a protective enclosure for terminal equipment controllers, offering secure mounting and environmental shielding in HVAC and building automation systems.
Technical Specifications
| Condition | New/Never Used Surplus |
|---|---|
| Brand | Siemens |
| Category | Safety Systems |
| Part Number | 3TK2821-1CB30 |
| Subcategory | Safety Relay |
| Series | SIRIUS |
| Control Voltage | 24 VAC/DC |
| Output Configuration | Normally Open (N/O), 1 Normally Closed (N/C) |
| Start Function | Automatic or Manual Start selectable |
| Output Type | Relay enabling circuits |
| Safety Level | Suitable for applications up to SIL 3 / PL e (with proper wiring) |
| Terminal Type | Screw terminals |
| Housing Width | 22.5 mm |
| Protection Feature | Finger-safe terminals |
| Weight | 0.247 kgs |
Information About 3TK2821-1CB30
The Siemens 3TK2821-1CB30 is a compact safety relay from the SIRIUS series, designed for monitoring emergency stop and safety circuits in industrial automation systems. It ensures dependable shutdown of hazardous operations, meeting stringent safety requirements in manufacturing and machine control applications.
Key Features:
-
Product Type: Safety relay for emergency stop and safety monitoring
-
Series: SIRIUS
-
Control Voltage: 24 VAC/DC
-
Output Configuration: 3 Normally Open (N/O) enabling outputs, 1 Normally Closed (N/C) feedback output
-
Start Options: Selectable automatic or manual start
-
Output Type: Relay enabling circuits
-
Terminal Type: Screw terminals
-
Housing Width: 22.5 mm (DIN-rail mountable)
-
Safety Certification: SIL 3 (IEC 61508), PL e (ISO 13849-1), Category 4
-
Protection Features: Finger-safe terminals for enhanced operator safety
This safety relay is ideal for use in e-stop circuits, safety door monitoring, and other safety-critical applications in machine and process control. Its compact design, reliable switching performance, and compliance with international safety standards make it a key component in industrial automation systems.