PILZ(皮尔兹)继电器部分型号表示如下：
Pilz 773050 PNOZmulti Systemhandbuch D
Pilz 773100 PNOZ m1p base unit
Pilz773105 PNOZ m1p base unit coated version 
Pilz773110 PNOZ m0p base unit not expandable
Pilz 773120 PNOZ m2p base unit press function
Pilz 773200 PNOZ pps1p 100-240VAC
Pilz 773300 PNOZ p1p 24VDC 2so
Pilz 773400 PNOZ mi1p 8 input
Pilz 773405 PNOZ mi1p 8 inputs coated version
Pilz 773410 PNOZ mi2p 8 standard input
Pilz 773500 PNOZ mo1p 4 so
Pilz 773505 PNOZ mo1p 4so coated version
Pilz 773510 PNOZ mo3p 2so
Pilz 773520 PNOZ mo2p 2n/o
Pilz 773525 PNOZ mo2p 2n/o coated version
Pilz 773536 PNOZ mo4p 4n/o
Pilz 773537 PNOZ mo4p 4n/o coated version
Pilz 773540 PNOZ ml1p safe link
Pilz 773630 PNOZ po3.1p 8n/o
Pilz 773631 PNOZ po3.2p 4n/o
Pilz 773632 PNOZ po3.3p 3n/o
Pilz 773634 PNOZ po3p 3n/o 1n/c
Pilz 773635 PNOZ po4p 4n/o
Pilz 773700 PNOZ mc1p