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: 50 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp - A-Curve, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors
SiemensA-Curve, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors

Siemens Supplementary Protector: 50 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp

The SIEMENS IEC Supplementary Protector is a 50 A, A-Curve, 1-pole UL1077 DIN rail-mount supplementary protector from the 5SY4 series. It is rated for 10kA at 230/400V AC and 72V DC, with screw clamp terminals (MPN…

SKU 3G-OTH-21467

Brand
Siemens
Item
Supplementary Protector: 50 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp
Category
A-Curve, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

Siemens
Manufacturer Part Number
5SY41505
Series
5SY4
Type
10kA at 230/400V AC, Screw Clamp, 5SY4, A
DC
72V
Curve Type
A
Max. AIR Rating
10kA at 230/400V AC
AC Voltage Rating
230/400V AC
DC Voltage Rating
72V DC
Terminal Connection
Screw Clamp
View Full Spec Sheet

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 IEC Supplementary Protector is a 50 A, A-Curve, 1-pole UL1077 DIN rail-mount supplementary protector from the 5SY4 series. It is rated for 10kA at 230/400V AC and 72V DC, with screw clamp terminals (MPN 5SY41505).

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 a-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 →

Similar products

Matched by specification & description
SIEMENS IEC Supplementary Protector: 25 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41255). 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: A.
Siemens
SIEMENS IEC Supplementary Protector: 25 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41255). 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: A.
SIEMENS IEC Supplementary Protector: 6 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41065). 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: A.
Siemens
SIEMENS IEC Supplementary Protector: 6 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41065). 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: A.
SIEMENS IEC Supplementary Protector: 13 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41135). 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: A.
Siemens
SIEMENS IEC Supplementary Protector: 13 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41135). 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: A.
SIEMENS IEC Supplementary Protector: 2 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41025). 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: A.
Siemens
SIEMENS IEC Supplementary Protector: 2 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41025). 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: A.
SIEMENS IEC Supplementary Protector: 3 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41035). 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: A.
Siemens
SIEMENS IEC Supplementary Protector: 3 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41035). 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: A.
SIEMENS IEC Supplementary Protector: 1 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41015). 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: A.
Siemens
SIEMENS IEC Supplementary Protector: 1 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41015). 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: A.

More from Siemens

View all Siemens parts →
SIEMENS IEC Supplementary Protector: 63 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41635). 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: A.
Siemens
SIEMENS IEC Supplementary Protector: 63 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41635). 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: A.
SIEMENS IEC Supplementary Protector: 32 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41325). 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: A.
Siemens
SIEMENS IEC Supplementary Protector: 32 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41325). 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: A.
SIEMENS IEC Supplementary Protector: 8 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41085). 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: A.
Siemens
SIEMENS IEC Supplementary Protector: 8 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41085). 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: A.
SIEMENS IEC Supplementary Protector: 16 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41165). 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: A.
Siemens
SIEMENS IEC Supplementary Protector: 16 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41165). 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: A.
SIEMENS IEC Supplementary Protector: 20 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41205). 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: A.
Siemens
SIEMENS IEC Supplementary Protector: 20 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41205). 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: A.
SIEMENS IEC Supplementary Protector: 0.5 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41055). 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: A.
Siemens
SIEMENS IEC Supplementary Protector: 0.5 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41055). 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: A.
SIEMENS IEC Supplementary Protector: 10 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41105). 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: A.
Siemens
SIEMENS IEC Supplementary Protector: 10 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41105). 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: A.
SIEMENS IEC Supplementary Protector: 1.6 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41155). 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: A.
Siemens
SIEMENS IEC Supplementary Protector: 1.6 A Amps, 72V DC, 10kA at 230/400V AC, Screw Clamp, 5SY4, A (MPN 5SY41155). 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: A.