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Siemens HHED63B040L Molded Case Circuit Breaker
- 40A
- 3 Pole
- Unit Mount
Siemens
HHED63B040L
Molded Case Circuit Breaker
Brand
Siemens
SKU
HHED63B040L
Quantity
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Siemens HHED63B040L - 40A 3 Pole Molded Case Circuit Breaker
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Description
Rated at 65kAIC at 480VAC, this 40A Sentron ED-frame MCCB delivers reliable thermal-magnetic protection for commercial and industrial systems. The Siemens HHED63B040L is engineered for heavy-duty electrical applications. This 3-pole breaker features a unit mount configuration and includes factory-installed line and load lugs. It installs into compatible Siemens enclosures, switchboards, and industrial control panels.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HHED63B040L |
| Series | HHED6 |
| Amperage | 40A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 18kA @ 600VAC, 30kA @ 250VDC |
| Frame Type | ED |
|---|---|
| Terminal Type | Lugs |
| For Use With | Enclosures, Switchboards, Control Panels |
| Wire Gauge | 10 AWG - 1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 10 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Line and Load Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, HACR, IEC, UL |
| Temp Rating | 40C |
| Construction Features | Extra High Interrupting Capacity, HACR Rated, Non-Interchangeable Trip, Reverse Feed, Trip-Free Mechanism |
Product FAQs
6 answersWhat does the "HH" in the HHED63B040L part number signify?
The "HH" designates this breaker as having an extra-high interrupting capacity within the Siemens Sentron ED frame family. It delivers a 65kAIC rating at 480VAC, designed for heavy-duty commercial and industrial systems.
Which Siemens enclosures accept this ED frame breaker?
The HHED63B040L can be installed in Siemens Sentron Type ED circuit breaker enclosures, such as the E2N1F for flush mounting or the E2N12K for NEMA 12 surface mounting. It is also compatible with standard Siemens switchboards and control panels.
What specific lugs are provided with the HHED63B040L?
This unit mount breaker comes factory-equipped with LN1E100 line and load side lugs. These lugs accept 10 AWG to 1/0 AWG copper or aluminum conductors.
Is the HHED63B040L rated for reverse feed applications?
Yes, this thermal magnetic breaker is reverse feed capable. When installing in a reverse feed configuration, special attention should be paid to ensure no voltage is present during maintenance, as the load terminals will remain energized when the breaker is open if fed from the bottom.
How does the trip-free mechanism on this breaker operate?
The trip-free mechanism ensures that the internal contacts will automatically open during an overload or short circuit event, even if the operating handle is physically held or locked in the ON position.
Can this breaker be applied on direct current systems?
Yes, the HHED63B040L is rated for use on DC systems up to 250VDC, where it provides a 30kA interrupting capacity. When applying three-pole breakers on DC systems, follow the manufacturer wiring configurations for proper pole connections.
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