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Siemens Supplementary Protector: 25 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp - B-Curve, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors
SiemensB-Curve, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors

Siemens Supplementary Protector: 25 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp

The SIEMENS IEC Supplementary Protector (SKU 30XV04, MPN 5SY42256) is a B-curve, 2-pole UL1077 DIN rail-mount supplementary protector rated at 25 A. It features a screw clamp terminal connection, an AC voltage rating…

SKU 3G-OTH-21785

Brand
Siemens
Item
Supplementary Protector: 25 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp
Category
B-Curve, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors
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Technical Specifications

Siemens
Manufacturer Part Number
5SY42256
Series
5SY4
Type
10kA at 400V AC, Screw Clamp, 5SY4
AC
400V
DC
72V
Curve Type
B
Max. AIR Rating
10kA at 400V AC
AC Voltage Rating
400V AC
DC Voltage Rating
72V DC
Terminal Connection
Screw Clamp
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS IEC Supplementary Protector (SKU 30XV04, MPN 5SY42256) is a B-curve, 2-pole UL1077 DIN rail-mount supplementary protector rated at 25 A. It features a screw clamp terminal connection, an AC voltage rating of 400V AC, a DC voltage rating of 72V DC, and a maximum AIR rating of 10kA at 400V AC. This device is part of the Siemens 5SY4 series.

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

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, 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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SIEMENS IEC Supplementary Protector: 40 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42406). Key specifications — Terminal Connection: Screw Clamp; AC Voltage Rating: 400V AC; Curve Type: B; DC Voltage Rating: 72V DC; Max. AIR Rating: 10kA at 400V AC; Series: 5SY4; Brand: SIEMENS.
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SIEMENS IEC Supplementary Protector: 32 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42326). Key specifications — Terminal Connection: Screw Clamp; AC Voltage Rating: 400V AC; Curve Type: B; DC Voltage Rating: 72V DC; Max. AIR Rating: 10kA at 400V AC; Series: 5SY4; Brand: SIEMENS.
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SIEMENS IEC Supplementary Protector: 16 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42166). Key specifications — Terminal Connection: Screw Clamp; AC Voltage Rating: 400V AC; Curve Type: B; DC Voltage Rating: 72V DC; Max. AIR Rating: 10kA at 400V AC; Series: 5SY4; Brand: SIEMENS.
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SIEMENS IEC Supplementary Protector: 16 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42166). Key specifications — Terminal Connection: Screw Clamp; AC Voltage Rating: 400V AC; Curve Type: B; DC Voltage Rating: 72V DC; Max. AIR Rating: 10kA at 400V AC; Series: 5SY4; Brand: SIEMENS.
SIEMENS IEC Supplementary Protector: 13 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42136). Key specifications — Terminal Connection: Screw Clamp; AC Voltage Rating: 400V AC; Curve Type: B; DC Voltage Rating: 72V DC; Max. AIR Rating: 10kA at 400V AC; Series: 5SY4; Brand: SIEMENS.
Siemens
SIEMENS IEC Supplementary Protector: 13 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42136). Key specifications — Terminal Connection: Screw Clamp; AC Voltage Rating: 400V AC; Curve Type: B; DC Voltage Rating: 72V DC; Max. AIR Rating: 10kA at 400V AC; Series: 5SY4; Brand: SIEMENS.
SIEMENS IEC Supplementary Protector: 10 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42106). Key specifications — Terminal Connection: Screw Clamp; AC Voltage Rating: 400V AC; Curve Type: B; DC Voltage Rating: 72V DC; Max. AIR Rating: 10kA at 400V AC; Series: 5SY4; Brand: SIEMENS.
Siemens
SIEMENS IEC Supplementary Protector: 10 A Amps, 72V DC, 10kA at 400V AC, Screw Clamp, 5SY4, 400V AC (MPN 5SY42106). Key specifications — Terminal Connection: Screw Clamp; AC Voltage Rating: 400V AC; Curve Type: B; DC Voltage Rating: 72V DC; Max. AIR Rating: 10kA at 400V AC; Series: 5SY4; Brand: SIEMENS.