Siemens Auxiliary switch, changeover contacts, type HP

Product Overview

The Siemens 3VA9978-0AA11 is a high-performance auxiliary switch with changeover contacts Type HP (14mm) designed as an internal accessory for 3VA4, 3VA5, and 3VA6 series molded case circuit breakers. This robust switching component features a 2-slot Type HP design with high breaking capacity, 600VAC voltage rating and 6A current capacity, providing reliable heavy-duty auxiliary contact functionality for SENTRON 3VA circuit breaker systems in demanding industrial applications where superior electrical performance and durability are essential.

Key Features

• Type HP High Breaking Capacity: Heavy-duty 14mm width design with enhanced breaking capacity for demanding electrical applications
• 600VAC/6A Rating: Superior electrical specifications with 600VAC voltage rating and 6A current capacity for industrial applications
• 2-Slot High-Power Design: Robust 2-slot configuration optimized for high-power switching operations
• Extended Compatibility Range: Designed for 3VA4, 3VA5, and 3VA6 series molded case circuit breakers
• Color & Mechanical Coding: Failsafe installation system prevents assembly errors and ensures consistent compatibility
• Non-Electronic Design: Heavy-duty mechanical auxiliary switch for reliable long-term operation in harsh environments
• Serbian Manufacturing: Quality construction ensuring reliable performance in demanding industrial electrical environments

Technical Specifications

• Contact Type: Changeover contacts Type HP (High Power)
• Voltage Rating: 600VAC
• Current Rating: 6A
• Width: 14mm
• Breaking Capacity: High breaking capacity design
• Slot Configuration: 2-slot high-power design
• Dimensions: 65.2mm H x 34.5mm W x 14.3mm D
• Net Weight: 0.036 kg
• Packaging Dimensions: 175.00 x 100.00 x 15.00 mm
• Packaging Quantity: 1 piece
• Country of Origin: Serbia
• EAN: 4042949014027
• UPC: 804766322679

Applications

This high-power auxiliary switch is particularly suitable for:

• Heavy industrial electrical distribution systems requiring high-capacity auxiliary contacts
• Manufacturing facilities with high-power 3VA4/5/6 circuit breaker installations
• Process industries requiring robust auxiliary switching capabilities
• Motor control applications with high electrical demands
• Industrial automation systems requiring reliable high-power auxiliary contacts
• Power generation and distribution facilities
• Mining and heavy industry electrical installations
• Chemical and petrochemical plant electrical systems
• Steel and metal processing facility electrical systems
• Critical infrastructure applications requiring maximum reliability

Compliance & Certifications

• RoHS Compliance: Compliant since January 1, 2016
• WEEE Directive: Subject to take-back obligations under directive 2012/19/EU
• REACH Regulation: No current information on SVHC substances from supply chain
• Export Control: AL: N / ECCN: N
• Product Class: B - Return restricted, please contact your Siemens partner/contact

Product Classification

• eClass: 27-37-13-92 (versions 12, 14), 27-37-92-01 (versions 6-9.1)
• ETIM: EC002498 (versions 7-9)
• UNSPSC: 39-12-11-03
• Product Group: 5386
• Group Code: P360

Download existing graphical data for this product:

• Technical Datasheet (PDF)
• Product Information Page
• Technical Documentation
• SENTRON Product Catalog