Siemens 3TK2825-1BB40 Safety Relay 3TK28251BB40

DESCRIPTION
The Siemens 3TK2825-1BB40 is a safety relay designed for use in emergency stop circuits and safety-related applications. It features 3 normally open (NO) and 1 normally closed (NC) contacts, providing reliable signal switching and isolation. Operating at 24V DC, this relay supports safe shutdown of machinery in compliance with international safety standards. It is commonly used in industrial automation environments where personnel protection is critical.

TECHNICAL SPECIFICATIONS
Model: 3TK2825-1BB40
Type: Safety Relay
Rated Control Supply Voltage: 24V DC
Contacts: 3 NO + 1 NC
Mounting Type: DIN rail
Terminals: Screw terminal
Applications: Emergency stop circuits, safety interlocks, monitoring devices
Standards: EN 60204-1, EN ISO 13849-1, IEC 60947-5-1
Dimensions: Approx. 45 mm (W) x 100 mm (H) x 120 mm (D)