ACO INS-OB External Normally Closed Button

The ACO INS-OB External Normally Closed Button is a high-quality, surface-mount push button designed for access control, exit button, and intercom systems. With its normally closed (NC) contact configuration, it ensures reliable operation in security and automation applications. The button features a durable ABS plastic housing in white, making it suitable for both indoor and outdoor use with an IP44 rating.

Advantages

This exit button offers a robust and weather-resistant design, ensuring long-lasting performance in various environments. Its momentary operation and screw terminal connections simplify installation and maintenance. The NC configuration provides fail-safe operation, making it ideal for integration with ACO systems and other universal NC applications.

Suitable for

• Access control systems requiring a normally closed exit button
• Intercom and door release systems
• Indoor and outdoor installations where IP44 protection is needed
• Surface-mount applications in commercial and residential settings

Key specifications

• Contact Type: Normally Closed (NC)
• Operation Mode: Momentary
• Mounting Type: Surface Mount
• Housing Material: ABS Plastic
• Color: White
• Max Switching Voltage: 30V DC
• Max Switching Current: 1A
• Contact Configuration: 1 Form B (SPST-NC)
• Electrical Life: 100,000 cycles
• Operating Temperature Range: -20°C to +50°C
• IP Rating: IP44
• Connection Type: Screw Terminals
• Compatibility: Universal for NC applications, optimized for ACO systems
• Button Type: Push Button
• Installation Environment: Indoor/Outdoor

Recommendations

For optimal performance, ensure proper wiring to NC input terminals. Suitable for use with ACO control panels and other compatible access control systems. Always follow local electrical codes during installation.