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EATON Supplementary Protector: 4 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ - B-Curve, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors
EATONB-Curve, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors

EATON Supplementary Protector: 4 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ

The EATON FAZ-B4/1-SP is a B-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated at 4 A. It features a maximum AIR rating of 15kA at 240/415V AC, AC voltage rating of 277/480V AC, and DC voltage rating…

SKU 3G-OTH-20219

Brand
EATON
Item
Supplementary Protector: 4 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ
Category
B-Curve, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors
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Technical Specifications

EATON
Manufacturer Part Number
FAZ-B4/1-SP
Series
FAZ
Type
15kA at 240/415V AC, Lug, FAZ, B
AC
277/480V
DC
48V
Curve Type
B
Max. AIR Rating
15kA at 240/415V AC
AC Voltage Rating
277/480V AC
DC Voltage Rating
48V DC
Terminal Connection
Lug
View Full Spec Sheet

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

Product Description

The EATON FAZ-B4/1-SP is a B-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated at 4 A. It features a maximum AIR rating of 15kA at 240/415V AC, AC voltage rating of 277/480V AC, and DC voltage rating of 48V DC, with lug terminal connections.

Frequently Asked Questions

What is the EATON FAZ-B4/1-SP supplementary protector used for?

The EATON FAZ-B4/1-SP is a B-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated at 4 A. It protects branch circuits and control equipment in industrial panels, HVAC systems, and machinery from overcurrent and short circuits, with a maximum AIR rating of 15kA at 240/415V AC.

What are the specifications of the EATON FAZ-B4/1-SP?

The EATON FAZ-B4/1-SP is a B-curve supplementary protector rated at 4 A, 277/480V AC, and 48V DC. It has a maximum AIR rating of 15kA at 240/415V AC, lug terminal connections, and is part of the FAZ series. It is UL1077 listed for DIN rail mounting.

Where to buy the EATON FAZ-B4/1-SP worldwide?

You can source the EATON FAZ-B4/1-SP from 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 EATON FAZ series components.

How to install the EATON FAZ-B4/1-SP on a DIN rail?

To install the EATON FAZ-B4/1-SP, snap it onto a standard 35 mm DIN rail. Ensure the circuit is de-energized, connect wires to the lug terminals per the torque specs in the manual, and verify the B-curve trip characteristics match your load. Always follow local electrical codes.

Used in

Common applications for EATON
Industrial control panels — Eaton M22 flush push buttons for momentary machine start/stop commands
Motor control centers — Eaton NEMA reversing starters with electronic overloads for conveyor belt direction control
HVAC systems — Eaton definite purpose starters with thermal overloads for compressor and fan motor protection
Process automation — Eaton SL7 tower lights with IP66 bases for visual status indication in wet environments
Machine tool signaling — Eaton 10250T LED pilot lights with push-to-test for operator panel status lamps
Access control — Eaton M22 keyed selector switches for equipment mode selection in secured areas

EATON Products

3G Electric supplies EATON 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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EATON IEC Supplementary Protector: 5 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B5/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
EATON IEC Supplementary Protector: 3 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B3/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
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EATON IEC Supplementary Protector: 3 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B3/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
EATON IEC Supplementary Protector: 40 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B40/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
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EATON IEC Supplementary Protector: 40 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B40/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
EATON IEC Supplementary Protector: 20 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B20/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
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EATON IEC Supplementary Protector: 20 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B20/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
EATON IEC Supplementary Protector: 13 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B13/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
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EATON IEC Supplementary Protector: 13 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B13/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.

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EATON IEC Supplementary Protector: 6 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B6/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
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EATON IEC Supplementary Protector: 6 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B6/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
EATON IEC Supplementary Protector: 2 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B2/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
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EATON IEC Supplementary Protector: 2 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B2/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
EATON IEC Supplementary Protector: 8 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B8/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
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EATON IEC Supplementary Protector: 8 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B8/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
EATON IEC Supplementary Protector: 1 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B1/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
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EATON IEC Supplementary Protector: 1 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B1/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
EATON IEC Supplementary Protector: 10 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B10/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
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EATON IEC Supplementary Protector: 10 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B10/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
EATON IEC Supplementary Protector: 16 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B16/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
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EATON IEC Supplementary Protector: 16 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B16/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
EATON IEC Supplementary Protector: 15 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B15/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
EATON
EATON IEC Supplementary Protector: 15 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B15/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
EATON IEC Supplementary Protector: 25 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B25/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.
EATON
EATON IEC Supplementary Protector: 25 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ, 277/480V AC, B (MPN FAZ-B25/1-SP). Key specifications — Brand: EATON; Terminal Connection: Lug; DC Voltage Rating: 48V DC; Max. AIR Rating: 15kA at 240/415V AC; Series: FAZ; AC Voltage Rating: 277/480V AC; Curve Type: B.