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SIEMENS IEC 5SY42038 D-Curve 2-Pole Supplementary Protector - D-Curve, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors
SIEMENS IECD-Curve, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors

SIEMENS IEC 5SY42038 D-Curve 2-Pole Supplementary Protector

The SIEMENS IEC Supplementary Protector (SKU 5SY42038, MPN 5SY42038) is a D-curve, 2-pole UL1077 DIN rail-mount supplementary protector rated at 3 A amps. It features a screw clamp connection and is rated at 400V AC…

SKU 3G-OTH-127494

Brand
SIEMENS IEC
Item
5SY42038 D-Curve 2-Pole Supplementary Protector
Category
D-Curve, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

SIEMENS IEC
Manufacturer Part Number
5SY42038
Type
10kA at 400V AC, Screw Clamp, 5SY4
AC
400V
DC
72V

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

Product Description

The SIEMENS IEC Supplementary Protector (SKU 5SY42038, MPN 5SY42038) is a D-curve, 2-pole UL1077 DIN rail-mount supplementary protector rated at 3 A amps. It features a screw clamp connection and is rated at 400V AC with a breaking capacity of 10kA at 400V AC, and 72V DC. This 5SY4 series device from SIEMENS provides overcurrent protection for industrial control circuits.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the SIEMENS IEC Supplementary Protector 5SY42038 used for?

The SIEMENS IEC Supplementary Protector 5SY42038 is used for overcurrent protection in industrial control circuits. Its D-curve characteristic suits high-inrush loads like motors and transformers. It is a 2-pole, DIN rail-mount device rated at 3 A, 400V AC, and 72V DC, ideal for panel builders and plant engineers.

What are the specifications of the SIEMENS 5SY42038 supplementary protector?

The SIEMENS 5SY42038 is a D-curve, 2-pole supplementary protector rated at 3 A amps. It has a breaking capacity of 10kA at 400V AC and is rated at 72V DC. Connection is via screw clamp. It is UL1077 listed, DIN rail-mountable, and part of the 5SY4 series from SIEMENS.

Where to buy the SIEMENS 5SY42038 supplementary protector worldwide?

You can source the SIEMENS 5SY42038 supplementary protector 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; we supply genuine SIEMENS IEC components for industrial applications.

How to install the SIEMENS 5SY42038 supplementary protector?

Install the SIEMENS 5SY42038 by snapping it onto a standard DIN rail. Ensure the circuit is de-energized. Connect wires to the screw clamp terminals per the torque specifications in the datasheet. The D-curve device is designed for overcurrent protection; verify system voltage does not exceed 400V AC or 72V DC.

Used in

Common applications for SIEMENS IEC
Motor control centers — Siemens 5SY4 D-curve supplementary protectors (e.g., 5SY42108) for motor branch circuit protection
HVAC equipment — A-curve protectors (e.g., 5SY42255) for compressor and fan motor overcurrent protection
Industrial conveyor systems — 4-pole D-curve protectors (e.g., 5SY44168) for three-phase motor protection with neutral
Pump control panels — 2-pole supplementary protectors (e.g., 5SY42038) for single-phase pump motor protection
Machine tool control circuits — A-curve protectors (e.g., 5SY44155) for solenoid valve and relay protection
Power distribution sub-panels — 4-pole protectors (e.g., 5SY44155) for three-phase branch circuit protection in light industrial settings

SIEMENS IEC Products

3G Electric supplies SIEMENS IEC d-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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Compatible alternatives & equivalents

Cross-referenced by specification & description
SIEMENS IEC Supplementary Protector: 2 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42028)
SIEMENS IEC
SIEMENS IEC Supplementary Protector: 2 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42028)
This 20 A, D-curve, 2-pole supplementary protector is rated for 400V AC with a breaking capacity of 10kA at 400V AC and 72V DC. It features screw-clamp terminals and is designed for DIN-rail mounting. Suitable for overcurrent and short-circuit protection in industrial control circuits, HVAC equipment, and motor branch circuits
SIEMENS IEC
This 20 A, D-curve, 2-pole supplementary protector is rated for 400V AC with a breaking capacity of 10kA at 400V AC and 72V DC. It features screw-clamp terminals and is designed for DIN-rail mounting. Suitable for overcurrent and short-circuit protection in industrial control circuits, HVAC equipment, and motor branch circuits
SIEMENS IEC Supplementary Protector: 0.5 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42058)
SIEMENS IEC
SIEMENS IEC Supplementary Protector: 0.5 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42058)
D-curve, 2-pole supplementary protector rated 1.6 A, 400 V AC (10 kA breaking capacity) and 72 V DC. Features screw clamp terminals and DIN rail mounting. Suitable for overcurrent protection in control panels, HVAC, and machinery where high inrush currents occur
SIEMENS IEC
D-curve, 2-pole supplementary protector rated 1.6 A, 400 V AC (10 kA breaking capacity) and 72 V DC. Features screw clamp terminals and DIN rail mounting. Suitable for overcurrent protection in control panels, HVAC, and machinery where high inrush currents occur
SIEMENS IEC Supplementary Protector: 8 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42088)
SIEMENS IEC
SIEMENS IEC Supplementary Protector: 8 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42088)
SIEMENS IEC Supplementary Protector: 0.3 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42148)
SIEMENS IEC
SIEMENS IEC Supplementary Protector: 0.3 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42148)

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