SIEMENS 3VA9978-0AA12 Switch Hq Vac 3A 300

( Brand: Siemens ), ( Manufacturer Part Number: 3VA9978-0AA12 ), ( Part Type: Switch ), ( Unit Type: Unit )

Review SIEMENS Auxiliary Switch Type Hq 3a 300 Vac

The Siemens 3VA9978-0AA12 is a versatile and reliable 3-way switch designed for use with HQ 3-wire systems, offering a voltage rating of 300V AC. This switch is suitable for various applications in both residential and commercial settings, allowing users to control lighting or power outlets from multiple locations.

The 3VA9978-0AA12 switch is engineered with Siemens' renowned quality and precision. It is constructed with a die-cast zinc housing, ensuring durability and long-lasting performance. The switch comes with three terminals, marked as LINE, COMMON, and TRANSFER, enabling easy identification and wiring.

The switch features a sleek, contemporary design, blending seamlessly into various interior decors. Its rotary mechanism ensures a smooth and positive operation, offering a tactile feedback that adds to the user experience. The switch is also compliant with the latest safety standards, providing peace of mind for homeowners and facility managers alike.

Additionally, the Siemens 3VA9978-0AA12 switch can be easily installed in standard junction boxes. It is designed to work with both standard and decorative switch plates, offering flexibility in customizing the switch's appearance. Furthermore, it is compatible with various types of lighting systems, including incandescent, LED, and CFL bulbs.

The Siemens 3VA9978-0AA12 3-way switch is a practical and functional solution for controlling lights or power outlets in multiple locations. Its robust construction, user-friendly design, and compliance with safety standards make it a reliable and trustworthy addition to any electrical system.

Product Name: Siemens SIMATIC S7-1200 3VA9978-0AA12 Switch HQ 3A, 300V AC

1. Siemens is a well-known and reputable brand in the industrial automation sector, ensuring reliability and high-quality standards.

2. This switch is designed for use in harsh industrial environments, providing a robust solution for power distribution and switching applications.

3. The HQ designation indicates that this switch is suitable for use in hazardous locations, making it an ideal choice for industries that handle flammable substances.

4. The switch offers a high current capacity of 3A and a voltage rating of 300V AC, making it suitable for various industrial power distribution applications.

5. The Siemens S7-1200 series switches are compatible with the Siemens SIMATIC S7-1200 automation system, allowing for seamless integration into existing industrial control systems.

1. The Siemens S7-1200 3VA9978-0AA12 switch may be more expensive compared to switches from other brands due to the Siemens reputation and industrial-grade features.

2. This switch is designed for industrial applications and may be overkill for smaller-scale projects or non-industrial applications, leading to unnecessary cost.

3. The switch may require additional accessories or modifications to be used in specific applications, adding to the overall cost.

The Siemens SIMATIC S7-1200 3VA9978-0AA12 Switch HQ 3A, 300V AC is a high-quality, robust, and reliable solution for industrial power distribution and switching applications, especially in hazardous locations. However, its high cost may make it an overkill for smaller-scale projects or non-industrial applications. Ultimately, the decision to purchase this switch depends on the specific requirements of the application and the available budget.

If you're in the industrial sector and require a reliable and robust switch for power distribution and switching applications, especially in hazardous locations, the Siemens SIMATIC S7-1200 3VA9978-0AA12 Switch HQ 3A, 300V AC is a solid choice. However, if you're working on a smaller-scale project or have a limited budget, you may want to consider switches from other brands that offer similar features at a lower cost. It's essential to carefully evaluate your requirements and budget before making a purchasing decision.

Details:

Functional and reliable, with some cosmetic imperfections. At Autos electrical, we prioritize your safety and satisfaction. Satisfaction Guaranteed. Fast and Secure Delivery.

Accurate , high-quality images, and prompt issue resolution. Feature Value Manufacturer Siemens model 3VA9978-0AA12Type Auxiliary Switch Series Type HQ Amperage 3A voltage 300 VAC Used. Original condition required. Minor cosmetic wear scratches, scuffs, etc.

Item may exhibit Secure and Convenient. Signs of handling or installation. Response time: within 24 hours. Pre-owned, thoroughly tested, and fully functional.

part #: 3va99780aa12 prices

• $29.00-$114.00

specifications steppertrol:

• brand: Siemens
• mpn: 3va9978-0aa12
• part type: Switch
• unit type: Unit

offer steppertrol:

• options: Ship-to-home
• sold: 0
• best offers: True
• availability: In Stock
• started: March 14, 2025
• quantity: 3

seller steppertrol:

• # reviews: 915
• rating: 98.6%
• city: Stone Mountain, Georgia

payments steppertrol:

• credit card: Visa
• other
• wallet: Google-pay

general steppertrol:

• condition: Used
• Drives Starters > Drives Motor Controls > Stepper Controls Drives

returns steppertrol:

• policy: Returns Accepted
• time: 30 Days
• method: Money back
• paid by: Buyer

shipping steppertrol:

• cost: $0.00
• class: Standard
• carrier: USPS
• service: USPS Ground Advantage
• type: Calculated
• transit: 5-12 Days

Siemens 3VA9978-0AA12 Is Similar To:

• Siemens 3rp1525-2aq30 Solid State Time Relay 100 127 Vac 24 Vdc 0.05s 100 Hr (28.1% similar) Notes: this time relay was removed from a decommissioned machine and has not been tested since its removal. Model: 3RP1525-2AQ30. Condition: used. Comes in non-original packaging. Siemens 3RP1525-2AQ30 solid state time relay 100/127 vac, 24 CDC, 0.05S - 100 hr. Mounting type: din rail...(July 29th, 2025)