PNOZ s4.1
Operating Manual PNOZ s4.1
21890-EN-15
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Block diagram/terminal configuration
Unit types with UB 24 VDC
} U
B
: 24 VDC; Order no. 750124, 751124
Fig.: Centre: Front view with cover, right: Front view without cover
*Insulation between the non-marked area and the relay contacts: Basic insulation (over-
voltage category III), Protective separation (overvoltage category II)
Unit types with UB 48 - 240 VAC/DC
} U
B
: 48 - 240 VAC/DC; Order no. 750154, 751154
Fig.: Centre: Front view with cover, right: Front view without cover
*Insulation between the non-marked area and the relay contacts: Basic insulation (over-
voltage category III), Protective separation (overvoltage category II)