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3G Electric
SIEMENS IEC 5SY42165 A-Curve 2-Pole Supplementary Protector - A-Curve, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors
SIEMENS IECA-Curve, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors

SIEMENS IEC 5SY42165 A-Curve 2-Pole Supplementary Protector

<p>The SIEMENS IEC 5SY42165 is a 2-pole A-Curve supplementary protector designed for DIN rail mounting. It is rated at 16A with a breaking capacity of 10kA at 400V AC, and also supports DC applications up to 72V. The…

SKU 3G-OTH-127998

Brand
SIEMENS IEC
Item
5SY42165 A-Curve 2-Pole Supplementary Protector
Part Number
5SY42165
Category
A-Curve, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors
Available to Order
Also known as:5SY42165SIEMENS IEC
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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 IEC
Manufacturer Part Number
5SY42165
Type
10kA at 400V AC, Screw Clamp, 5SY4
AC
400V
DC
72V

Technical Documents

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

Product Description

<p>The SIEMENS IEC 5SY42165 is a 2-pole A-Curve supplementary protector designed for DIN rail mounting. It is rated at 16A with a breaking capacity of 10kA at 400V AC, and also supports DC applications up to 72V. The screw clamp terminals ensure secure wiring connections.</p><p>This protector is suitable for use in industrial control panels, machinery, and other equipment requiring supplementary protection. As a Singapore-based supplier, 3G Electric offers SGD quotes on request, handles GST for local buyers, and provides fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What are the key specifications of the SIEMENS 5SY42165?

The SIEMENS 5SY42165 is a 2-pole A-Curve supplementary protector with a rated current of 16A, rated voltage of 400V AC (also 72V DC), and a breaking capacity of 10kA at 400V AC. It features screw clamp terminals and is designed for DIN rail mounting.

Can I get a quote in SGD and what about delivery in Singapore?

Yes, 3G Electric provides quotes in SGD upon request. For Singapore buyers, GST is handled. We offer fast delivery across Singapore and Southeast Asia.

Used in

Common applications for SIEMENS IEC
Industrial control panels — Siemens 5SY4 supplementary protectors provide overcurrent protection for PLC I/O, relays, and control transformers.
HVAC equipment — 5SY4 series protectors safeguard control circuits in air handling units, chillers, and boilers against overcurrent.
Pump systems — Siemens IEC supplementary protectors protect motor control circuits and instrumentation in water and process pump stations.
Renewable energy — 5SY4 DC-rated protectors are used in solar combiner boxes and battery storage systems for control circuit protection.
Machine tools — 5SY4 supplementary protectors with D-Curve handle high inrush currents from spindle drives and servo amplifiers.
Building automation — Siemens IEC protectors protect control panels for lighting, security, and access systems in commercial buildings.
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SIEMENS IEC Products

3G Electric supplies SIEMENS IEC a-curve, 2-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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