Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
Siemens Supplementary Protector: 1 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: 1 A Amps, 5kA at 230/400V AC, Screw Clamp, 5SY6

The SIEMENS 5SY6 series IEC Supplementary Protector is a 1-pole, C-curve, UL1077 DIN rail-mount device rated for 1 A and 5kA at 230/400V AC. It features a screw clamp terminal connection and is not rated for DC voltage.

SKU 3G-OTH-19518

Brand
Siemens
Item
Supplementary Protector: 1 A Amps, 5kA at 230/400V AC, Screw Clamp, 5SY6
Category
C-Curve, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Siemens
Manufacturer Part Number
5SY61017
Series
5SY6
Type
5kA at 230/400V AC, Screw Clamp, 5SY6, C
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

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS 5SY6 series IEC Supplementary Protector is a 1-pole, C-curve, UL1077 DIN rail-mount device rated for 1 A and 5kA at 230/400V AC. It features a screw clamp terminal connection and is not rated for DC voltage.

Frequently Asked Questions

What is the SIEMENS 5SY61017 IEC Supplementary Protector used for?

The SIEMENS 5SY61017 is a 1-pole, C-curve supplementary protector rated 1 A at 230/400V AC. It protects branch circuits and sensitive equipment against overloads and short circuits in industrial control panels, HVAC systems, and machinery, where UL1077-listed devices are required.

What are the specifications of the SIEMENS 5SY61017?

The SIEMENS 5SY61017 is a 1 A, C-curve supplementary protector with a max. AIR rating of 5kA at 230/400V AC. It uses screw clamp terminals, is rated for AC voltage only (230/400V AC), and is not rated for DC. It is part of the 5SY6 series and mounts on a DIN rail.

Where to buy the SIEMENS 5SY61017 in worldwide?

3G Electric supplies the SIEMENS 5SY61017 IEC Supplementary Protector to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this UL1077-listed device.

How to install the SIEMENS 5SY61017 supplementary protector?

Install the SIEMENS 5SY61017 by snapping it onto a standard DIN rail. Connect line and load wires using the screw clamp terminals, torquing to manufacturer specifications. Ensure the circuit is de-energized before installation. Follow local electrical codes and the device's rated voltage of 230/400V AC.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
SIEMENS IEC Supplementary Protector: 6 A Amps, 5kA at 230/400V AC, Screw Clamp, 5SY6, 230/400V AC, C (MPN 5SY61067)
Siemens
SIEMENS IEC Supplementary Protector: 6 A Amps, 5kA at 230/400V AC, Screw Clamp, 5SY6, 230/400V AC, C (MPN 5SY61067)
C-curve, 1-pole supplementary protector rated at 2 amps, 230/400V AC, with a maximum interrupting rating of 5kA at 230/400V AC. Features screw clamp terminals and is designed for DIN rail mounting. Suitable for protecting branch circuits and equipment in industrial control panels, HVAC systems, and lighting applications
Siemens
C-curve, 1-pole supplementary protector rated at 2 amps, 230/400V AC, with a maximum interrupting rating of 5kA at 230/400V AC. Features screw clamp terminals and is designed for DIN rail mounting. Suitable for protecting branch circuits and equipment in industrial control panels, HVAC systems, and lighting applications
SIEMENS IEC Supplementary Protector: 3 A Amps, 5kA at 230/400V AC, Screw Clamp, 5SY6, 230/400V AC, C (MPN 5SY61037)
Siemens
SIEMENS IEC Supplementary Protector: 3 A Amps, 5kA at 230/400V AC, Screw Clamp, 5SY6, 230/400V AC, C (MPN 5SY61037)
This 1-pole supplementary protector from the Siemens 5SY6 series features a C-curve trip characteristic and is rated for 8 A. It has a maximum interrupting rating of 5 kA at 230/400 V AC and uses screw clamp terminals. Suitable for DIN rail mounting, it provides overload and short-circuit protection in branch circuits and equipment within industrial control panels, HVAC systems, and lighting applications
Siemens
This 1-pole supplementary protector from the Siemens 5SY6 series features a C-curve trip characteristic and is rated for 8 A. It has a maximum interrupting rating of 5 kA at 230/400 V AC and uses screw clamp terminals. Suitable for DIN rail mounting, it provides overload and short-circuit protection in branch circuits and equipment within industrial control panels, HVAC systems, and lighting applications
This 1-pole supplementary protector features a C-curve trip characteristic and is rated for 20 A at 230/400 V AC with a maximum interrupting rating of 5 kA. It uses screw clamp terminals and is designed for DIN rail mounting. Suitable for protecting branch circuits and equipment against overloads and short circuits in industrial control panels, HVAC systems, and lighting applications where UL489 circuit breakers are not required
Siemens
This 1-pole supplementary protector features a C-curve trip characteristic and is rated for 20 A at 230/400 V AC with a maximum interrupting rating of 5 kA. It uses screw clamp terminals and is designed for DIN rail mounting. Suitable for protecting branch circuits and equipment against overloads and short circuits in industrial control panels, HVAC systems, and lighting applications where UL489 circuit breakers are not required
SIEMENS IEC Supplementary Protector: 0.5 A Amps, 5kA at 230/400V AC, Screw Clamp, 5SY6, 230/400V AC (MPN 5SY61057)
Siemens
SIEMENS IEC Supplementary Protector: 0.5 A Amps, 5kA at 230/400V AC, Screw Clamp, 5SY6, 230/400V AC (MPN 5SY61057)

More from Siemens

View all Siemens parts →
1-pole C-curve supplementary protector rated 1.6 A, 10kA at 230/400V AC and 72V DC. Screw clamp terminals. UL1077 listed for DIN rail mounting. Used for overcurrent protection in branch circuits and equipment within industrial control panels and automation systems
Siemens
1-pole C-curve supplementary protector rated 1.6 A, 10kA at 230/400V AC and 72V DC. Screw clamp terminals. UL1077 listed for DIN rail mounting. Used for overcurrent protection in branch circuits and equipment within industrial control panels and automation systems
This supplementary protector is a C-curve, 1-pole device rated at 1.6 A with a maximum interrupting rating of 5kA at 230/400V AC. It features screw clamp terminals and is designed for DIN rail mounting. Suitable for overcurrent and short-circuit protection in branch circuits and equipment within control panels, HVAC systems, and lighting applications
Siemens
This supplementary protector is a C-curve, 1-pole device rated at 1.6 A with a maximum interrupting rating of 5kA at 230/400V AC. It features screw clamp terminals and is designed for DIN rail mounting. Suitable for overcurrent and short-circuit protection in branch circuits and equipment within control panels, HVAC systems, and lighting applications
C-curve, 1-pole supplementary protector for DIN rail mounting. Rated 35 A with 10 kA interrupting capacity at 230/400 V AC and 72 V DC. Screw clamp terminals. Suitable for overcurrent and short-circuit protection in branch circuits and equipment
Siemens
C-curve, 1-pole supplementary protector for DIN rail mounting. Rated 35 A with 10 kA interrupting capacity at 230/400 V AC and 72 V DC. Screw clamp terminals. Suitable for overcurrent and short-circuit protection in branch circuits and equipment
This Siemens 5SY6 series supplementary protector is a 1-pole, C-curve device rated for 50 A. It provides overload and short-circuit protection for AC circuits up to 230/400 V AC with a maximum interrupting rating of 5 kA. The unit features screw clamp terminals and is designed for DIN rail mounting. Typical applications include protection of control circuits, HVAC equipment, and panelboard branch circuits in industrial and commercial installations
Siemens
This Siemens 5SY6 series supplementary protector is a 1-pole, C-curve device rated for 50 A. It provides overload and short-circuit protection for AC circuits up to 230/400 V AC with a maximum interrupting rating of 5 kA. The unit features screw clamp terminals and is designed for DIN rail mounting. Typical applications include protection of control circuits, HVAC equipment, and panelboard branch circuits in industrial and commercial installations
This 1-pole supplementary protector features a C-curve trip characteristic and a rated current of 2 A. It is designed for DIN rail mounting and provides overcurrent protection in branch circuits and equipment. The unit has a maximum AIR rating of 10kA at 230/400V AC and a DC voltage rating of 72V. Terminal connection is via screw clamp
Siemens
This 1-pole supplementary protector features a C-curve trip characteristic and a rated current of 2 A. It is designed for DIN rail mounting and provides overcurrent protection in branch circuits and equipment. The unit has a maximum AIR rating of 10kA at 230/400V AC and a DC voltage rating of 72V. Terminal connection is via screw clamp
This 1-pole supplementary protector from the Siemens 5SY4 series features a C-curve trip characteristic and a rated current of 1 A. It is designed for DIN rail mounting and provides overcurrent protection with a maximum interrupting rating of 10 kA at 230/400 V AC and a DC voltage rating of 72 V. The screw clamp terminals facilitate secure wiring connections in control panels and similar applications
Siemens
This 1-pole supplementary protector from the Siemens 5SY4 series features a C-curve trip characteristic and a rated current of 1 A. It is designed for DIN rail mounting and provides overcurrent protection with a maximum interrupting rating of 10 kA at 230/400 V AC and a DC voltage rating of 72 V. The screw clamp terminals facilitate secure wiring connections in control panels and similar applications
This 1-pole supplementary protector features a C-curve trip characteristic and is UL1077 recognized. Rated 32A with a maximum interrupting rating of 10kA at 230/400V AC and 72V DC, it uses screw clamp terminals. Designed for DIN rail mounting, it is suitable for overcurrent and short-circuit protection in branch circuits and control panels
Siemens
This 1-pole supplementary protector features a C-curve trip characteristic and is UL1077 recognized. Rated 32A with a maximum interrupting rating of 10kA at 230/400V AC and 72V DC, it uses screw clamp terminals. Designed for DIN rail mounting, it is suitable for overcurrent and short-circuit protection in branch circuits and control panels
Siemens 5SY6 series supplementary protector, 1-pole, C-curve, rated 13 A. UL1077 listed for overcurrent protection in industrial control panels, HVAC equipment, and lighting systems. AC voltage rating 230/400 V, maximum interrupting rating 5 kA at 230/400 V AC. Screw clamp terminals for wiring. Not rated for DC voltage
Siemens
Siemens 5SY6 series supplementary protector, 1-pole, C-curve, rated 13 A. UL1077 listed for overcurrent protection in industrial control panels, HVAC equipment, and lighting systems. AC voltage rating 230/400 V, maximum interrupting rating 5 kA at 230/400 V AC. Screw clamp terminals for wiring. Not rated for DC voltage