Siemens HHJD63F400 Circuit Breaker
- 400
- 3 Pole
Quantity
Siemens HHJD63F400 3 Pole Circuit Breaker
New
Quantity
Description
Siemens HHJD63F400 3 Pole Circuit Breaker
The Siemens HHJD63F400 is a 3 Pole thermal magnetic molded case circuit breaker with a current rating of 400 Amps and a voltage rating of 600VAC. It has an interrupting rating of 50kAIC at 600V, 100kAIC at 480V. The HHJD63F400 has a bolt-on connection type and includes long time and instantaneous trip functions.
Specifications
| Brand | Siemens |
|---|---|
| Part Number | HHJD63F400 |
| Series | Sentron |
| Amperage | 400 A |
| Poles | 3 |
| Voltage | 600VAC |
| Phase | 3 |
| AIC Rating | 50kAIC at 600V, 100kAIC at 480V |
| Frame Type | HHJD |
|---|---|
| Terminal Type | Line and Load Side Lug |
| Wire Gauge | AWG 3/0 to 500KCM, Cu, AWG 4/0 to 500KCM, Al |
| Trip Technology | Thermal Magnetic |
|---|
| Standards | RoHS |
|---|---|
| Approval | UL, IEC |
| Temp Rating | 40 °C |
Product FAQs
6 answersWhat frame family does the HHJD63F400 belong to?
This breaker is part of the Siemens Sentron JD frame family, which has a maximum continuous current rating of 400 amps.
Which lug kits are compatible with the HHJD63F400?
It accepts standard Siemens JD frame lug kits. The most common is the TA2J6500 for aluminum or copper wire, and the TC2J6500 for copper wire only. These lugs support wire sizes from 3/0 AWG to 500 kcmil.
What is the difference between the HHJD63F400 and a standard JD63F400?
The HH prefix indicates this is the extra-high interrupting capacity version. While a standard JD63F400 has a lower short-circuit rating, the HHJD63F400 provides up to 100kAIC at 480V for more demanding industrial applications.
Can I use aluminum wire with this circuit breaker?
Yes, as long as it is equipped with the appropriate dual-rated AL/CU lugs, such as the TA2J6500 kit. With these lugs installed, it accepts aluminum wire from 4/0 AWG to 500 kcmil.
What type of enclosure or panel is required for this breaker?
As a JD frame breaker, it must be installed in a switchboard or panelboard configured for 400-amp Siemens Sentron JD frames. You will also need the specific bolt-on mounting hardware or strap kit for your enclosure type.
Does this breaker include ground fault protection?
No, the HHJD63F400 features a standard thermal-magnetic trip unit that provides long-time and instantaneous protection. It does not have built-in equipment ground fault protection, which would require a solid-state trip unit.
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