Thomas & Betts KNF10-250FD-D Female Disconnect

Description:

The Thomas & Betts KNF10-250FD-D Fully Insulated Female Disconnect is used to provide a secure quick-disconnect termination for 12–10 AWG copper conductors in industrial and commercial electrical systems. Commonly installed in control panels, motor control centers, HVAC equipment, automation systems, machinery wiring, and OEM electrical assemblies where fast, reliable connection and disconnection of electrical circuits is required. Maintenance electricians, OEM manufacturers, and system integrators use this female disconnect terminal for new installations, equipment maintenance, control panel assembly, and replacement of worn or damaged quick-connect terminals.

Applications:

The Thomas & Betts KNF10-250FD-D is a fully insulated 250 Series female quick-disconnect terminal designed to mate with standard 0.250 × 0.032-inch male tabs. Its molded nylon insulation, metal insulation sleeve, funnel entry, and internal barrel serrations provide excellent strain relief, vibration resistance, and consistent crimp performance. It is widely used in industrial automation, control cabinets, HVAC equipment, power distribution panels, electrical appliances, machinery, and temporary electrical connections where dependable serviceability is essential.

Technical Specifications:

• Brand: Thomas & Betts (ABB) – Sta-Kon® Spec-Kon®
• Part Number: KNF10-250FD-D
• Product Type: Fully Insulated Female Disconnect Terminal
• Series: 250 Series
• Terminal Style: Female Quick Disconnect
• Wire Size: 12–10 AWG (4–6 mm²)
• Tab Size: 0.250 × 0.032 in. (6.35 × 0.81 mm)
• Terminal Material: Brass with Copper Sleeve
• Finish: Electro-Tin Plated
• Insulation Material: Nylon (Polyamide)
• Insulation Color: Yellow
• Barrel Type: Long Barrel with Funnel Entry and Internal Serrations
• Insulation Type: Fully Insulated with Metal Insulation Sleeve
• Voltage Rating: 600 V
• Temperature Rating: 105°C (221°F) Maximum
• Overall Dimensions: 0.953 in. (L) × 0.260 in. (W) × 0.016 in. (Thickness)
• Application: Temporary connections to male disconnects and terminal blocks
• Recommended Crimp Tools: ABB WT112M, CM2000A
• Standards: UL Listed (File E66716), cULus Listed, RoHS 3 Compliant, TSCA Section 6(h) Compliant

Common Replacements:

• Thomas & Betts KN10-250FD-D
• Thomas & Betts KVF10-250FD-D
• Thomas & Betts KNF10-250FD-T