Siemens 3G-OTH-21003 — Technical Specifications

Name: Siemens 3G-OTH-21003 SIEMENS IEC Supplementary Protector: 6 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, B (MPN 5SY41066). Key specifications — Brand: SIEMENS; Terminal Connection: Screw Clamp; DC Voltage Rating: 72V DC; Max. AIR Rating: 10kA at 230/400V AC; Series: 5SY4; AC Voltage Rating: 230/400V AC; Curve Type: B.
Brand: Siemens

The Siemens 5SY4 series IEC supplementary protector is a B-curve, 1-pole UL1077 DIN rail-mount device rated at 6 A amps. It provides a maximum AIR rating of 10kA at 230/400V AC and is rated for 72V DC, with screw clamp terminals. This supplementary protector is designed for overcurrent protection in industrial control panels and equipment.

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Technical Specifications

Parameter	Value
DC	72V
Type	10kA at 230/400V AC, Screw Clamp, 5SY4, B
Brand	SIEMENS
Series	5SY4
Curve Type	B
Max. AIR Rating	10kA at 230/400V AC
AC Voltage Rating	230/400V AC
DC Voltage Rating	72V DC
Terminal Connection	Screw Clamp
Manufacturer Part Number	5SY41066