Here’s a concise description of the Smile 12 EA emergency stop button from ABB:

• Product Type: Smile 12 EA
• Product ID: 2TLA030051R0200
• Function: Emergency stop button with turn-release mechanism
• Connections: 2 x NC (normally closed) contacts, Status LED in button
• Connectors: 1 x M12-5 male connector, 1 x M12-5 female connector
• Supply Voltage: 24V DC
• Protection Rating: IP65 (dust-tight and protected against water jets)
• Performance Level: Up to PL e (high safety level)
• Dimensions: 52 mm (depth), 109 mm (height), 40 mm (width)
• Weight: 0.089 kg
• Operating Temperature: -10°C to 55°C
• Compliance: RoHS, REACH, CE certified