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Siemens HED43B090L Molded Case Circuit Breaker

  • 90A
  • 3 Pole
  • Unit Mount
Siemens HED43B090L
Molded Case Circuit Breaker
Brand Siemens
SKU HED43B090L
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  • 90A
  • 3 Pole
  • Unit Mount

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Siemens HED43B090L 3 Pole Circuit Breaker

Siemens HED43B090L - 90A 3 Pole Molded Case Circuit Breaker

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$552.22 In Stock

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Description

Part of the Sentron ED-frame family, this 90-amp three-pole breaker delivers robust long-time and instantaneous trip functions for commercial environments. It mounts into standard enclosures, switchboards, and motor control centers requiring unit-mount configurations. Featuring a 42kAIC rating at 480VAC, the device includes factory-installed line and load lugs to streamline wiring. Note that this legacy component is officially replaced by the newer 3VA5190-6EC36-0AA0 series.

Specifications

Key specifications
Brand Siemens
Part Number HED43B090L
Series HED4
Amperage 90A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 250VDC
Phase 3
AIC Rating 100kA @ 240VAC, 42kA @ 480VAC, 30kA @ 250VDC
Fit and installation
Terminal Type Lugs
For Use With Enclosures, Switchboards, Motor Control Centers
Wire Gauge 10-1/0 AWG (Cu/Al)
Max Wire 1/0 AWG
Min Wire 10 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release, Padlock Attachment
Accessories Line and Load Lugs (LN1E100)
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489
Approval CSA, HACR, IEC, UL
Temp Rating 40C
Construction Features HACR Rated, High Interrupting Capacity, Non-Interchangeable Trip, Reverse Feed

Product FAQs

7 answers
What is the difference between the HED43B090 and HED43B090L?

The L suffix in the HED43B090L catalog number indicates that the breaker is supplied with both line and load side lugs factory-installed. Standard ED-frame breakers without the L suffix typically only include load side lugs.

What types of panels accept this breaker?

This unit mount ED-frame breaker is designed for installation in Siemens Sentron panelboards, switchboards, and motor control centers.

Is this circuit breaker suitable for reverse feeding?

Yes, all Siemens ED-frame circuit breakers are suitable for reverse connection.

What replacement lugs are used on this breaker?

This breaker uses Siemens LN1E100 lugs on both the line and load sides. These lugs accept 10 to 1/0 AWG copper or aluminum wire.

Is this breaker HACR rated?

Yes, this ED-frame breaker is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment.

Is this breaker rated for 100 percent continuous duty?

No, this is a standard rated breaker. It is designed to carry 80 percent of its maximum rated current for continuous loads lasting three hours or more.

What is the maximum frame size for the HED4 series?

The HED4 series belongs to the Siemens ED-frame family, which has a maximum frame size of 125A.

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