3SB3400-0B | Siemens Contact Block – 1NO, 10A, 400VAC

Description

The Siemens 3SB3400-0B is a compact, high-quality 22 mm contact block actuator designed for precise and reliable switching in industrial control applications. Featuring a 1 Normally Open (1NO) contact rated for 10A at 400 VAC, this non-illuminated operator provides dependable electrical signaling for control panels, machinery, and automation systems. Built with a durable screw-terminal design and engineered for front plate mounting, the 3SB3400-0B delivers Siemens’ trusted performance in demanding environments.

Technical Specifications

Information About 3SB3400-0B

The Siemens 3SB3400-0B is designed as a rugged and dependable actuator/contact block assembly ideal for use in pushbutton stations, control cabinets, motor control centers, and industrial machinery. Its single NO contact configuration ensures straightforward, reliable switching—ideal for applications requiring a clean signal output or basic control logic. With a 10A current rating and 400 VAC operating voltage, this unit is engineered to withstand industrial electrical loads while maintaining stable performance. The screw terminal style provides strong, vibration-resistant wiring connections, while the design supports front plate mounting, simplifying installation and replacement in existing operator panels.

Key Features:

• 22 mm contact block actuator for industrial control
• 1 Normally Open (1NO) contact configuration
• Rated for 10A at 400 VAC
• Screw terminal wiring for secure connections
• Non-illuminated operator design
• Durable construction for industrial environments
• Front mounting for easy installation in control panels
• Suitable for machinery, automation systems, and motor control applications
• Siemens quality and long service life

As part of Siemens’ long-standing 3SB3 series, the 3SB3400-0B upholds the brand’s reputation for reliable components built to last, making it a strong choice for maintenance teams, OEMs, and integrators.