Siemens SHJD69400NGTH Molded Case Circuit Breaker
- 400A
- 3 Pole
- Unit Mount
Quantity
Siemens SHJD69400NGTH - 400A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Offering maximum continuous power, the Siemens SHJD69400NGTH is a 100% rated, 3-pole, 400A electronic trip circuit breaker for demanding loads. Designed for unit mounting, this JD frame breaker fits into Siemens Sentron panelboards and switchboards. It replaces the legacy SHJD6B400LSIGH. With a 65 kAIC rating at 480VAC, it includes an interchangeable solid state trip unit. Adjustable LSIG functions provide precise coordination and ground fault protection.Specifications
| Brand | Siemens |
|---|---|
| Part Number | SHJD69400NGTH |
| Series | SHJD6 |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 35kA @ 600VAC |
| Amperage Range | 80-400A |
|---|
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens Sentron Panelboards (S4, S5, SPP), Switchboards (SB1, SB2, SB3), Motor Control Centers |
| Wire Gauge | 3/0 AWG - 500 kcmil (Cu/Al) |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSIG |
| Trip Function | Long-Time, Short-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release, Lugs |
|---|---|
| Accessories | Line and Load Lugs (TA2J6500) |
| Standards | CSA C22.2 No. 5, 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, 100% Rated |
Product FAQs
7 answersWhat trip functions are included on the SHJD69400NGTH electronic trip unit?
This breaker features a solid-state electronic trip unit with LSIG functions, providing adjustable protection for Long-Time, Short-Time, Instantaneous, and Ground-Fault conditions.
Which Siemens enclosures and panels are compatible with the SHJD69400NGTH breaker?
This JD-frame breaker is designed for use in Siemens Sentron panelboards (S4, S5, SPP), switchboards (SB1, SB2, SB3), and motor control centers.
What wire sizes are accepted by the lugs on this 400A breaker?
The included lugs accept copper or aluminum wire ranging from 3/0 AWG to 500 kcmil. Proper torque specifications must be followed during installation.
Is the SHJD69400NGTH a 100 percent rated circuit breaker?
Yes, the SHJD69400NGTH is a 100 percent rated breaker. This allows it to carry its full 400A continuous current rating without the standard 80 percent derating requirement when installed in an appropriately sized and ventilated enclosure.
Does the SHJD69400NGTH replace any older Siemens or ITE breakers?
Yes, this breaker is a direct replacement for the legacy SHJD6B400LSIGH circuit breaker.
How is the SHJD69400NGTH breaker mounted?
This is a unit-mount, or bolt-on, circuit breaker designed to be bolted directly to the bus or mounting pan in compatible enclosures.
Does this breaker provide ground fault protection?
Yes, the "G" in its LSIG trip unit designates integrated ground-fault protection. This helps prevent equipment damage and enhances safety by detecting leakage currents to ground.
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