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Siemens Supplementary Protector: 20 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp - C-Curve, 3-Pole UL1077 DIN Rail-Mount Supplementary Protectors
SiemensC-Curve, 3-Pole UL1077 DIN Rail-Mount Supplementary Protectors

Siemens Supplementary Protector: 20 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp

The SIEMENS IEC Supplementary Protector (SKU 30XU06) is a C-Curve, 3-Pole UL1077 DIN Rail-Mount supplementary protector from the 5SY4 series, rated at 20 A Amps. It features an AC voltage rating of 400V AC, a DC…

SKU 3G-OTH-19862

Brand
Siemens
Item
Supplementary Protector: 20 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp
Category
C-Curve, 3-Pole UL1077 DIN Rail-Mount Supplementary Protectors
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Technical Specifications

Siemens
Manufacturer Part Number
5SY43207
Series
5SY4
Type
10kA at 400V AC, Screw Clamp, 5SY4
AC
400V
DC
72V
Max. AIR Rating
10kA at 400V AC
AC Voltage Rating
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 30XU06) is a C-Curve, 3-Pole UL1077 DIN Rail-Mount supplementary protector from the 5SY4 series, rated at 20 A Amps. It features an AC voltage rating of 400V AC, a DC voltage rating of 72V DC, and a maximum AIR rating of 10kA at 400V AC. The terminal connection is a screw clamp, and the manufacturer part number is 5SY43207.

Frequently Asked Questions

What is the SIEMENS 5SY43207 supplementary protector used for?

The SIEMENS 5SY43207 is a C-curve, 3-pole UL1077 supplementary protector rated 20 A. It protects branch circuits and control equipment from overloads and short circuits in industrial panels, motor control centers, and HVAC systems where DIN-rail mounting is required.

What are the specifications of the SIEMENS 5SY43207?

The SIEMENS 5SY43207 is a 20 A, 3-pole supplementary protector with a C-curve. It has an AC voltage rating of 400V AC, a DC voltage rating of 72V DC, and a maximum AIR rating of 10kA at 400V AC. Terminal connection is screw clamp, and it is part of the 5SY4 series.

Where to buy the SIEMENS 5SY43207 worldwide?

3G Electric supplies the SIEMENS 5SY43207 supplementary protector to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 20 A, 3-pole UL1077 device from the 5SY4 series.

How to install the SIEMENS 5SY43207 supplementary protector?

Mount the SIEMENS 5SY43207 onto a standard 35 mm DIN rail. Ensure the circuit is de-energized. Connect phase conductors to the screw-clamp terminals, torqueing to manufacturer specifications. Verify the C-curve trip characteristic matches the load type before energizing.

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, 3-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: 15 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY43187). Key specifications — Terminal Connection: Screw Clamp; Series: 5SY4; AC Voltage Rating: 400V AC; DC Voltage Rating: 72V DC; Max. AIR Rating: 10kA at 400V AC; Brand: SIEMENS.
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SIEMENS IEC Supplementary Protector: 3 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY43037). Key specifications — Terminal Connection: Screw Clamp; Series: 5SY4; AC Voltage Rating: 400V AC; DC Voltage Rating: 72V DC; Max. AIR Rating: 10kA at 400V AC; Brand: SIEMENS.
Siemens
SIEMENS IEC Supplementary Protector: 3 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY43037). Key specifications — Terminal Connection: Screw Clamp; Series: 5SY4; AC Voltage Rating: 400V AC; DC Voltage Rating: 72V DC; Max. AIR Rating: 10kA at 400V AC; Brand: SIEMENS.