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Siemens Supplementary Protector: 6 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp - A-Curve, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors
SiemensA-Curve, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors

Siemens Supplementary Protector: 6 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp

The SIEMENS IEC Supplementary Protector (SKU 30XU73) is a 6 A, A-Curve, 1-pole UL1077 DIN rail-mount supplementary protector from the 5SY4 series. It is rated for 10kA at 230/400V AC and 72V DC, with screw clamp…

SKU 3G-OTH-21417

Brand
Siemens
Item
Supplementary Protector: 6 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp
Category
A-Curve, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors
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Technical Specifications

Siemens
Manufacturer Part Number
5SY41065
Series
5SY4
Type
10kA at 230/400V AC, Screw Clamp, 5SY4, A
DC
72V
Curve Type
A
Max. AIR Rating
10kA at 230/400V AC
AC Voltage Rating
230/400V AC
DC Voltage Rating
72V DC
Terminal Connection
Screw Clamp
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS IEC Supplementary Protector (SKU 30XU73) is a 6 A, A-Curve, 1-pole UL1077 DIN rail-mount supplementary protector from the 5SY4 series. It is rated for 10kA at 230/400V AC and 72V DC, with screw clamp terminals. This device provides overcurrent protection for branch circuits and equipment in industrial control panels.

Frequently Asked Questions

What is the SIEMENS 5SY41065 supplementary protector used for?

The SIEMENS 5SY41065 is a 6 A, A-curve, 1-pole supplementary protector used for overcurrent protection of branch circuits and equipment in industrial control panels. It mounts on a DIN rail and meets UL1077 requirements, making it suitable for protecting sensitive loads in manufacturing and process automation.

What are the specifications of the SIEMENS 5SY41065?

The SIEMENS 5SY41065 is rated 6 A, 10kA at 230/400V AC, and 72V DC. It features a screw clamp terminal connection, A-curve trip characteristic, and is part of the 5SY4 series. This 1-pole device is designed for DIN rail mounting and complies with UL1077 as a supplementary protector.

Where to buy the SIEMENS 5SY41065 worldwide?

3G Electric supplies the SIEMENS 5SY41065 supplementary protector to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 6 A, A-curve, 1-pole device from the 5SY4 series.

How to install the SIEMENS 5SY41065 supplementary protector?

Install the SIEMENS 5SY41065 by snapping it onto a standard 35 mm DIN rail. Ensure the circuit is de-energized, then connect phase and load wires to the screw clamp terminals using the specified torque. The A-curve provides fast tripping for short-circuit protection in sensitive electronic equipment circuits.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens a-curve, 1-pole ul1077 din rail-mount supplementary protectors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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SIEMENS IEC Supplementary Protector: 8 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41085). 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: A.
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SIEMENS IEC Supplementary Protector: 8 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41085). 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: A.
SIEMENS IEC Supplementary Protector: 16 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41165). 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: A.
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SIEMENS IEC Supplementary Protector: 16 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41165). 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: A.