Spacial CRN Mounting Rail Screw AM1 + Options. M4 ISO thread. Head mounting is M4 x 10mm length. Star-delta starter component is Screw with captive washer. Mounting plate and rail mounting. Mounting support is asymmetrical DZ5-MB rail, combination AM1-ED rail, Omega AM1-DE and AM1-DP rail. 2 devices. Set of 100. Motor power is 11, 110,132,147,15,18.5,22,25,30,37,4,5.5,55,59,63,7.5,75 KW.