Lawson MF40 Type MF BS1361, IEC60269-3 House Service Cut-Out Fuse Link 40 Amps 415V ac L:57mm x Dia ⌀: 30.16mm

Lawson MF40 Type MF BS1361 House Service Fuse Link – 40A, Cylindrical, Ideal for Domestic Cut-Out Installations

The Lawson MF40 is a 40A cylindrical fuse link engineered for domestic and light commercial house service cut-outs. Compliant with BS1361 and IEC60269-3 standards and ASTA certified, this fuse ensures safe, reliable circuit protection in single or three-phase installations.

• 40 Amp Rating: Suitable for standard house service loads with dependable performance.
• Ferrule End Cap: Designed for secure installation into conventional service cut-outs.
• High Fault Endurance: Rated at 33kA at 0.3 p.f. and tested to 80kA at 0.15 p.f. for enhanced fault protection.
• Q1 Class Fusing Factor: Ensures precise fault disconnection with a maximum fusing factor of 1.5.
• Fully Compliant: Meets BS1361 and IEC60269-3 standards for domestic protection systems.

Technical Specification

• Current Rating: 40A
• Voltage Rating: 415V AC
• Breaking Capacity: 33kA at 0.3 p.f. (ASTA tested to 80kA at 0.15 p.f.)
• Standard Compliance: BS1361, IEC60269-3
• Dimensions: Length: 57.0mm, Diameter: 30.2mm

✅ Choose the Lawson MF40 for certified and trusted protection in house service cut-out systems.