TA1FD350A - 250 Amp Lug

TA1FD350A – 250 Amp Lug

The Siemens TA1FD350A – 250A Amp Lug Kit delivers dependable, professional‑grade connectivity for molded‑case circuit breakers. Engineered to pair with 2‑ and 3‑pole FD‑frame breakers rated between 70 A and 250 A, this aluminum lug kit provides a secure, long‑lasting connection for both line and load sides. It’s an ideal upgrade or replacement part for industrial and commercial electrical installations that demand safety, flexibility, and performance.

Key Features and Benefits

• Durable Aluminum Build: Constructed from high‑quality aluminum to resist wear and corrosion, the TA1FD350A lug kit stands up to demanding electrical environments and ensures long-lasting service life.
• Broad Compatibility: Works seamlessly with Siemens FD‑frame molded‑case circuit breakers from 70 A up to 250 A, in either 2‑pole or 3‑pole configurations — giving you flexibility across multiple applications.
• Wide Wire Capacity: Supports copper wires from 6 AWG up to 350 kcmil and aluminum wires from 4 AWG to 350 kcmil, enabling compatibility with a broad range of conductor sizes for custom wiring jobs.
• Dual-Side Usage: Designed for installation on both the line and load sides of the breaker, offering versatile wiring configurations and simplifying the installation process.

Technical Specifications

• Accessory Type: Low-voltage molded-case circuit breaker lug kit
• Frame Compatibility: FD-frame circuit breakers
• Pole Configuration: 2‑pole or 3‑pole
• Current Range: Compatible with breakers from 70 A up to 250 A
• Wire Range:
  • Copper (CU): 6 AWG – 350 kcmil
  • Aluminum (AL): 4 AWG – 350 kcmil
• Material: Aluminum
• Approximate Weight: 0.190 lb

Material Compliance and Certifications

• The TA1FD350A lug kit meets the rigorous standards required for circuit breaker accessories, complying with UL 489 and IEC 60947‑2. It is also manufactured in accordance with the RoHS directive, ensuring it’s free from hazardous substances and safe for installation in regulated environments.

Where It Works Best

• This lug kit is especially useful for upgrading or expanding electrical panels in industrial facilities, commercial buildings, or institutional settings where FD‑frame molded‑case breakers are used. Whether you’re doing routine maintenance, upgrading wiring to accommodate higher loads, or installing a new circuit, the TA1FD350A provides a reliable, straightforward solution. Its wide wire range and compatibility make it a go-to choice for electricians, contractors, and facility maintenance teams tackling a variety of electrical wiring tasks.