Altech 32A Rail Mount Fuse Holder With Indicator, 690V ac. Number of Poles: 1. Includes Indicator: Yes. Rail Type: Top Hat. Case Material: Plastic. Compatible Fuse Length: 38mm. Compatible Fuse Diameter: 10mm. Series: PCF. Terminal Type: Screw. Compatible Fuse Sizes: Midget. Standards Met: IEC 60947-1, IEC 60947-3, UL Recognized. MPN: 002550011