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Siemens Supplementary Protector: 63 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: 63 A Amps, 5kA at 230/400V AC, Screw Clamp, 5SY6

The SIEMENS IEC Supplementary Protector (SKU 30XX65) is a C-Curve, 1-Pole UL1077 DIN Rail-Mount supplementary protector rated at 63 A Amps. It features a Max. AIR Rating of 5kA at 230/400V AC, an AC Voltage Rating of…

SKU 3G-OTH-19874

Brand
Siemens
Item
Supplementary Protector: 63 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
5SY61637
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 30XX65) is a C-Curve, 1-Pole UL1077 DIN Rail-Mount supplementary protector rated at 63 A Amps. It features a Max. AIR Rating of 5kA at 230/400V AC, an AC Voltage Rating of 230/400V AC, and a Screw Clamp terminal connection. This device is part of the 5SY6 series and is not rated for DC voltage.

Frequently Asked Questions

What is the SIEMENS 5SY61637 supplementary protector used for?

The SIEMENS 5SY61637 is a C-curve, 1-pole UL1077 supplementary protector rated at 63 A. It protects branch circuits and equipment against overloads and short circuits in industrial control panels, HVAC systems, and lighting applications where UL489 breakers are not required.

What are the specifications of the SIEMENS 5SY61637?

The SIEMENS 5SY61637 is a 63 A, C-curve supplementary protector with a max. AIR rating of 5kA at 230/400V AC. It has a screw clamp terminal connection, AC voltage rating of 230/400V AC, and is not rated for DC voltage. It is part of the 5SY6 series and mounts on a DIN rail.

Where to buy the SIEMENS 5SY61637 worldwide?

3G Electric supplies the SIEMENS 5SY61637 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this supplementary protector to any country.

How to install the SIEMENS 5SY61637 supplementary protector?

Install the SIEMENS 5SY61637 on a DIN rail by snapping it into place. Connect wires using the screw clamp terminals, tightening to the torque specified on the device label. Ensure the circuit is de-energized before installation. Follow local electrical codes and the manufacturer's instructions for safe operation.

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: 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.
Siemens
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.