HT Instruments 404-IECB Safety Adapter, 4mm Banana Plug to Socket, CAT III 1000V / CAT IV 600V, Blue 1009160

With a safety rating of CAT III 1000 V and CAT IV 600 V, this adapter bridges 4 mm banana plugs and sockets for high-voltage measurement setups. It is built for test lead connections in electrical measurement tasks where reliable contact is critical.

Overview

The HT Instruments 404-IECB is a straight adapter that converts a 4 mm banana plug to a 4 mm banana socket. It is rated for 32 A and complies with IEC/EN 61010-031, making it suitable for demanding electrical testing environments. The blue colour aids in lead identification.

What stands out

• Dual safety category rating: CAT III 1000 V and CAT IV 600 V
• Nickel-plated brass contacts for consistent conductivity
• Polyamide insulation for durability and electrical isolation
• Straight design for easy inline connection

Technical details

• Connector type (input): 4 mm banana plug
• Connector type (output): 4 mm banana socket
• Rated voltage: 1000 V
• Rated current: 32 A
• Contact material: Brass, nickel-plated
• Insulation material: Polyamide (PA)
• Standard compliance: IEC/EN 61010-031
• Connection type: Plug-in
• Quantity per pack: 1 piece
• Application: Test lead connection, electrical measurement
• Design: Straight adapter
• Colour: Blue

Our verdict

A robust safety adapter for professionals who need a dependable 4 mm connection in high-voltage measurement circuits.