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Siemens HHJD63B400 Molded Case Circuit Breaker
- 400A
- 3 Pole
- Unit Mount
Siemens
HHJD63B400
Molded Case Circuit Breaker
Brand
Siemens
SKU
HHJD63B400
Quantity
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Siemens HHJD63B400 - 400A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Siemens HHJD63B400 - 400A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Part Number | HHJD63B400 |
| Series | HHJD |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 600VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 100kA @ 480VAC, 50kA @ 600VAC |
| Frame Type | HHJD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards (Type P4, P5), Switchboards, Enclosures, Motor Control Centers |
| Wire Gauge | 3/0 AWG - 500 kcmil (Cu), 4/0 AWG - 500 kcmil (Al) |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| 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, Lug Kit (TA2J6500) |
|---|---|
| Accessories | Line & Load Side Lugs (TA2J6500) |
| 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, Interchangeable Trip Unit, Trip-Free Mechanism |
Quantity
Siemens HHJD63B400 - 400A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Siemens |
|---|---|
| Part Number | HHJD63B400 |
| Series | HHJD |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 600VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 100kA @ 480VAC, 50kA @ 600VAC |
| Frame Type | HHJD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards (Type P4, P5), Switchboards, Enclosures, Motor Control Centers |
| Wire Gauge | 3/0 AWG - 500 kcmil (Cu), 4/0 AWG - 500 kcmil (Al) |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| 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, Lug Kit (TA2J6500) |
|---|---|
| Accessories | Line & Load Side Lugs (TA2J6500) |
| 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, Interchangeable Trip Unit, Trip-Free Mechanism |
Similar Items
300A 3 Pole Molded Case Circuit Breaker
400A 3 Pole Molded Case Circuit Breaker
Description
Part of the Sentron family, this 400-amp, 3-pole molded case circuit breaker provides reliable long-time and instantaneous (LI) protection for commercial and industrial applications. The unit features a fixed thermal and adjustable magnetic trip mechanism. Designed for unit mounting, it integrates seamlessly into Siemens Type P4 and P5 panelboards, switchboards, and motor control centers. Line and load side lugs (TA2J6500) are included for immediate wire termination.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HHJD63B400 |
| Series | HHJD |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 600VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 100kA @ 480VAC, 50kA @ 600VAC |
| Frame Type | HHJD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards (Type P4, P5), Switchboards, Enclosures, Motor Control Centers |
| Wire Gauge | 3/0 AWG - 500 kcmil (Cu), 4/0 AWG - 500 kcmil (Al) |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| 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, Lug Kit (TA2J6500) |
|---|---|
| Accessories | Line & Load Side Lugs (TA2J6500) |
| 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, Interchangeable Trip Unit, Trip-Free Mechanism |
Product FAQs
6 answersWhat is the magnetic trip adjustment range for this HHJD breaker?
The included thermal-magnetic trip unit features a fixed thermal rating of 400A and an adjustable magnetic trip range of 2,000A to 4,000A for instantaneous short-circuit protection.
What does the "HH" in HHJD indicate for this Sentron frame?
The "HH" denotes Extra High Interrupting Capacity for the JD frame. This provides the HHJD63B400 with elevated short-circuit ratings up to 200kA at 240VAC, 100kA at 480VAC, and 50kA at 600VAC, making it suitable for distribution systems with high available fault currents.
Are the line and load lugs included, and what is the standard replacement part number?
Yes, this breaker includes the line and load lugs. The standard lug kit is part number TA2J6500, which features aluminum-body, two-barrel lugs that accept 3/0 AWG to 500 kcmil copper or 4/0 AWG to 500 kcmil aluminum wire.
Which external enclosures are compatible with the Siemens HHJD63B400?
This JD frame breaker fits standard Siemens Sentron circuit breaker enclosures. Common compatible models include J6N1 for NEMA 1 indoor use, J6N3R for NEMA 3R outdoor weatherproof applications, and J6N12 for NEMA 12 dust-tight industrial environments.
Can I install a shunt trip or auxiliary switch in this breaker?
Yes, Siemens JD frame breakers support field-installable internal accessories. Internal pockets are provided under the front cover to install compatible Sentron accessories such as shunt trips (like the 120VAC S01JLD6) and auxiliary or alarm switches.
Does this breaker require a separate mounting kit for panelboard installation?
Yes. While it features a standard bolt-on (unit mount) connection, installing the HHJD63B400 into Siemens Sentron P4 or P5 panelboards, switchboards, or motor control centers requires the appropriate strap kit or mounting hardware specific to the panel design.
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