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Siemens Supplementary Protector: 4 A Amps, 5kA at 230/400V AC, Screw Clamp, 5SY6 - B-Curve, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors
SiemensB-Curve, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors

Siemens Supplementary Protector: 4 A Amps, 5kA at 230/400V AC, Screw Clamp, 5SY6

The Siemens 5SY6 series IEC Supplementary Protector is a B-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated at 4 A amps. It features a maximum AIR rating of 5kA at 230/400V AC, an AC voltage rating…

SKU 3G-OTH-20783

Brand
Siemens
Item
Supplementary Protector: 4 A Amps, 5kA at 230/400V AC, Screw Clamp, 5SY6
Category
B-Curve, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors
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Technical Specifications

Siemens
Manufacturer Part Number
5SY61046
Series
5SY6
Type
5kA at 230/400V AC, Screw Clamp, 5SY6, B
AC
230/400V
Curve Type
B
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 5SY6 series IEC Supplementary Protector is a B-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated at 4 A amps. It features a maximum 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 not rated for DC voltage.

Frequently Asked Questions

What is the Siemens 5SY61046 supplementary protector used for?

The Siemens 5SY61046 is a B-curve, 1-pole supplementary protector rated at 4 A amps. It is used to protect industrial control circuits, lighting, and small motor loads against overcurrent and short circuits. It mounts on a DIN rail and is suitable for 230/400V AC systems.

What are the specifications of the Siemens 5SY61046?

The Siemens 5SY61046 is a 4 A, B-curve, 1-pole supplementary protector with a max AIR rating of 5kA at 230/400V AC. It has an AC voltage rating of 230/400V AC, is not rated for DC voltage, and uses a screw clamp terminal connection. It is part of the 5SY6 series and meets UL1077 standards.

Where to buy the Siemens 5SY61046 worldwide?

You can source the Siemens 5SY61046 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 components to procurement teams globally.

How to install the Siemens 5SY61046 supplementary protector?

To install the Siemens 5SY61046, snap it onto a standard DIN rail. Ensure the circuit is de-energized. Connect the line and load wires using the screw clamp terminals, tightening to the manufacturer's recommended torque. Verify the B-curve trip characteristics match your application's inrush requirements 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 b-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, B (MPN 5SY41256). 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: B.
SIEMENS IEC Supplementary Protector: 13 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, B (MPN 5SY41136). 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: B.
Siemens
SIEMENS IEC Supplementary Protector: 13 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, B (MPN 5SY41136). 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: B.