Siemens Varistor surge suppressor, 24 - 70VDC

Product Overview

Varistor, 24...48 V AC, 24...70 V DC surge suppressor, for mounting to contactor Size S0, S2, S3

This compact varistor surge suppressor (Article Number: 3RT1926-1BB00) is designed for reliable protection of Size S0, S2, and S3 contactors against voltage transients and electrical surges. The device features voltage ratings of 24...48 V AC and 24...70 V DC, making it suitable for low-voltage control circuit protection across a range of contactor sizes. With mounting design for medium to large contactors, this surge suppressor provides easy installation and effective protection for contactor coils and control circuits in demanding industrial applications.

Important Notice: This product has been discontinued without replacement. Please contact Siemens for alternative solutions.

Key Features

• Varistor surge suppressor for contactor coil protection
• Dual voltage rating: 24...48 V AC, 24...70 V DC for flexible application compatibility
• Multi-size compatibility for Size S0, S2, and S3 contactors
• Compact construction for space-efficient installation
• Fast response time for effective surge protection
• Maintenance-free operation for reliable long-term performance
• High surge absorption capability for robust protection
• Direct mounting onto contactor terminals
• Versatile compatibility across multiple contactor sizes

Technical Specifications

• Net Weight: 0.013 kg
• Packaging Dimensions: 42.00 x 53.00 x 12.00 mm
• Packaging Quantity: 1 piece
• Quantity Unit: 1 Piece
• Country of Origin: Czech Republic
• Voltage Rating AC: 24...48 V AC
• Voltage Rating DC: 24...70 V DC
• Contactor Size Compatibility: S0, S2, S3
• Installation Type: Mounting to contactor
• Protection Type: Surge suppressor/Varistor
• EAN: 4011209293984
• UPC: 754554413303

Applications

• Medium to large contactor coil protection in industrial control systems
• Control circuit surge protection in automation applications
• Motor starter protection against voltage transients in higher power applications
• PLC interface protection in control systems with larger contactors
• Relay coil protection in industrial control circuits
• Automation system protection against electrical surges in medium power applications
• Machine control protection in manufacturing equipment with S0-S3 contactors
• Process control system protection against voltage spikes in industrial applications

Installation Benefits

• Multi-size compatibility for Size S0, S2, and S3 contactors
• Flexible mounting options for various contactor configurations
• Compact design minimizing space requirements
• Maintenance-free operation reducing system downtime
• Professional appearance maintaining system aesthetics
• Cost-effective protection for expensive control components
• Universal compatibility across multiple contactor sizes
• Easy installation on standard industrial contactors

Surge Protection Advantages

• Enhanced system reliability through surge protection
• Extended component life by preventing surge damage
• Reduced maintenance costs through component protection
• Improved system uptime by preventing surge-related failures
• Fast response time for effective protection
• High energy absorption for robust surge handling
• Electrical isolation maintaining system integrity
• Proven protection technology for reliable operation
• Versatile protection for multiple contactor sizes

Compatibility

• Size S0, S2, and S3 contactors from various manufacturers
• 24V AC control systems in industrial automation
• 24V DC control systems in modern control applications
• Low-voltage control circuits requiring surge protection
• Industrial control panels with medium to large contactors
• Motor control centers with various contactor sizes
• Automation systems requiring component protection
• Standard DIN rail and panel mounting systems

Product Classifications

• eClass: Not specified
• ETIM: Not specified
• UNSPSC: Not specified

Compliance & Certifications

• Export Control: ECCN: N / AL: N
• RoHS Compliance: Since 01.07.2006
• WEEE Take-Back Obligation: Yes

REACH Compliance This product complies with REACH regulation requirements. Currently, there is no information on SVHC (Substances of Very High Concern) from the supply chain. The product is regularly compared with upstream user information regarding substances indicated in the candidate list in accordance with REACH regulation requirements.

Download existing graphical data for this product:

For technical documentation and CAD files, please visit:

• Official Product Datasheet (PDF)
• Siemens Industry Mall Product Page
• Siemens PARTcommunity for 3D CAD Models
• Siemens Technical Support Center for technical documentation requests