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Siemens HEB2B040B Molded Case Circuit Breaker
- 40A
- 2 Pole
- Bolt-On
Siemens
HEB2B040B
Molded Case Circuit Breaker
Brand
Siemens
SKU
HEB2B040B
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Siemens HEB2B040B - 40A 2 Pole Molded Case Circuit Breaker
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Description
Built for heavy-duty commercial and industrial use, the Siemens HEB2B040B is a 2-pole, 40A molded case circuit breaker. It delivers reliable thermal-magnetic protection with a high interrupting capacity of 65kAIC at 480VAC. This unit mounts securely into Siemens P1, P2, and P3 panelboards via a sturdy bolt-on connection. When upgrading, this HEB frame breaker is replaced by the 3VA4140-6ED24-0AA0, which requires a 3VA41 strap kit.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HEB2B040B |
| Series | HEB |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 125/250VDC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 42kA @ 125/250VDC |
| Frame Type | HEB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards |
| Wire Gauge | 14-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 14 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 | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR, HID, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, HID Rated, High Interrupting Capacity, Non-Interchangeable Trip |
Product FAQs
5 answersWhat is the difference between Siemens NEB and HEB circuit breakers?
The primary difference is the interrupting rating. The HEB frame is the high-interrupting version, rated at 65kAIC at 480VAC, while the standard NEB frame is rated at 35kAIC at 480VAC. Both share the same physical footprint.
Can the HEB2B040B be used to replace an NEB2B040B?
Yes. Because they share the same physical dimensions and mounting style, the HEB2B040B can directly replace an NEB2B040B. This substitution provides an upgraded interrupting capacity for the circuit.
Is the HEB2B040B suitable for DC voltage applications?
Yes, this thermal-magnetic breaker is rated for DC systems. It provides an interrupting rating of up to 42kAIC at 125/250VDC.
Does the HEB2B040B provide equipment ground fault protection?
No, this is a standard thermal-magnetic circuit breaker equipped with fixed long-time and instantaneous trip functions. It does not include ground fault or arc fault protection.
Are the trip settings adjustable on the HEB2B040B?
No, this breaker features a fixed thermal and fixed magnetic trip unit. The long-time and instantaneous trip functions cannot be adjusted in the field.
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Reviews
Review summary
Customers rate this product 4.0 out of 5 based on 1 review.
Total 5 star reviews: 0 Total 4 star reviews: 1 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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1 review
- JJohnReviewingSiemens HEB3B015B - 15A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars9/19/234 Stars
Great service