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Siemens Supplementary Protector: 0.5 A Amps, 5kA at 230/400V AC, Screw Clamp, 5SY6 - C-Curve, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors
SiemensC-Curve, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors

Siemens Supplementary Protector: 0.5 A Amps, 5kA at 230/400V AC, Screw Clamp, 5SY6

The SIEMENS IEC Supplementary Protector (SKU 30XX83) is a C-Curve, 1-Pole UL1077 DIN Rail-Mount Supplementary Protector rated at 0.5 A Amps. It features a Max. AIR Rating of 5kA at 230/400V AC and an AC Voltage…

SKU 3G-OTH-19906

Brand
Siemens
Item
Supplementary Protector: 0.5 A Amps, 5kA at 230/400V AC, Screw Clamp, 5SY6
Category
C-Curve, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors
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Technical Specifications

Siemens
Manufacturer Part Number
5SY61057
Series
5SY6
Type
5kA at 230/400V AC, Screw Clamp, 5SY6
AC
230/400V
Curve Type
C
Max. AIR Rating
5kA at 230/400V AC
AC Voltage Rating
230/400V AC
DC Voltage Rating
Not Rated
Terminal Connection
Screw Clamp
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS IEC Supplementary Protector (SKU 30XX83) is a C-Curve, 1-Pole UL1077 DIN Rail-Mount Supplementary Protector rated at 0.5 A Amps. It features a Max. AIR Rating of 5kA at 230/400V AC and an AC Voltage Rating of 230/400V AC, with a Screw Clamp terminal connection. This unit is part of the 5SY6 series (MPN 5SY61057) and is not rated for DC voltage.

Frequently Asked Questions

What is the SIEMENS 5SY61057 supplementary protector used for?

The SIEMENS 5SY61057 is a C-curve, 1-pole UL1077 supplementary protector rated at 0.5 A. It protects branch circuits and sensitive equipment from overloads and short circuits in industrial control panels, HVAC systems, and lighting applications where a 230/400V AC supply is present.

What are the specifications of the SIEMENS 5SY61057?

The SIEMENS 5SY61057 is a 0.5 A, C-curve, 1-pole supplementary protector with a max. AIR rating of 5kA at 230/400V AC. It uses a screw clamp terminal connection, is part of the 5SY6 series, and is not rated for DC voltage. It mounts on a standard DIN rail.

Where to buy the SIEMENS 5SY61057 worldwide?

You can source the SIEMENS 5SY61057 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this supplementary protector.

How to install the SIEMENS 5SY61057 supplementary protector?

Install the SIEMENS 5SY61057 by snapping it onto a standard DIN rail. Ensure the circuit is de-energized. Connect the line and load wires to the screw clamp terminals, tightening to the torque specified on the device label. Verify the C-curve rating matches your application's inrush characteristics.

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 c-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: 3 A Amps, 5kA at 230/400V AC, Screw Clamp, 5SY6, 230/400V AC, C (MPN 5SY61037). Key specifications — Brand: SIEMENS; Terminal Connection: Screw Clamp; DC Voltage Rating: Not Rated; Max. AIR Rating: 5kA at 230/400V AC; Series: 5SY6; AC Voltage Rating: 230/400V AC; Curve Type: C.
SIEMENS IEC Supplementary Protector: 25 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, C (MPN 5SY41257). 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: C.
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SIEMENS IEC Supplementary Protector: 25 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, C (MPN 5SY41257). 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: C.
SIEMENS IEC Supplementary Protector: 16 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, C (MPN 5SY41167). 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: C.
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SIEMENS IEC Supplementary Protector: 16 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, C (MPN 5SY41167). 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: C.