Siemens HFD62B250 Molded Case Circuit Breaker
- 250A
- 2 Pole
- Bolt-On
Quantity
Siemens HFD62B250 - 250A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Part of the Sentron family, this 250A two-pole breaker provides reliable thermal-magnetic protection for commercial and industrial distribution systems. It mounts into Siemens P1, P2, and P3 panelboards, as well as compatible switchboards and motor control centers. Featuring a high interrupting rating of 65kAIC at 480VAC, it includes load-side lugs and an interchangeable trip unit.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HFD62B250 |
| Series | HFD6 |
| Amperage | 250A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC, 30kA @ 250VDC |
| Frame Type | HFD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards (P1, P2, P3), Switchboards, Motor Control Centers |
| Wire Gauge | 6 AWG - 350 kcmil (Cu), 4 AWG - 350 kcmil (Al) |
| Max Wire | 350 kcmil |
| Min Wire | 6 AWG (Cu), 4 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Interchangeable Trip Unit, Reverse Feed |
Product FAQs
8 answersWhat panels and equipment are compatible with the HFD62B250?
This breaker is designed for use in Siemens Sentron panelboards, including P1, P2, and P3 models, as well as compatible switchboards and motor control centers that accept FD frame breakers.
What does the H in the HFD62B250 catalog number indicate?
The H designates this as a high-interrupting capacity version of the standard FD frame. It provides a 65kAIC rating at 480VAC, which is higher than the standard FD frame rating.
What wire sizes and materials are accepted by the load lugs on this breaker?
The standard load lugs accept 6 AWG to 350 kcmil copper wire, or 4 AWG to 350 kcmil aluminum wire.
Is the trip unit on the HFD62B250 adjustable?
Yes, it features a thermal-magnetic trip unit with a fixed thermal element for overload protection and an adjustable magnetic element for short-circuit protection. The magnetic trip pickup can be adjusted using the dial on the front face of the breaker.
What is the difference between the HFD62B250 and the HFXD62B250?
The HFD62B250 comes with an interchangeable trip unit, allowing the trip unit to be replaced. The HFXD62B250 features a non-interchangeable, factory-sealed trip unit, which is required by UL 489 for reverse-feed applications.
Can the HFD62B250 be reverse fed?
Standard HFD breakers with interchangeable trip units are not listed for reverse feeding. For reverse-feed applications, a non-interchangeable trip version like the HFXD62B250 is required to comply with UL 489 standards.
Is this breaker suitable for use in DC circuits?
Yes, the HFD62B250 is rated for use on DC systems up to 250VDC, providing an interrupting rating of 30kAIC at 250VDC.
How does this breaker mount into the panel?
The HFD62B250 is a bolt-on circuit breaker. It bolts directly to the bus bars in compatible Siemens Sentron panels, switchboards, and motor control centers.
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