Siemens SJD69400G Molded Case Circuit Breaker
- 400A
- 3 Pole
- Unit Mount
Quantity
Siemens SJD69400G - 400A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for demanding industrial environments, the Siemens SJD69400G provides comprehensive LIG protection via its Sensitrip III electronic trip unit. This 3-pole, 400A MCCB features adjustable long-time, instantaneous, and ground fault settings for superior system coordination. Rated at 65kAIC at 240VAC, the JD Frame breaker mounts into Siemens Sentron panelboards and switchboards. When modernizing systems, it is replaced by the newer 3VA Series with an appropriate retrofit kit.Specifications
| Brand | Siemens |
|---|---|
| Part Number | SJD69400G |
| Series | SJD6 |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 80-400A |
|---|
| Frame Type | SJD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 3/0 AWG - 500 kcmil |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LIG |
| Trip Function | Long-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, True RMS Sensing |
Product FAQs
7 answersWhat equipment is the Siemens SJD69400G designed to fit?
This JD Frame breaker mounts into Siemens Sentron panelboards, switchboards, and motor control centers.
What does the G in the SJD69400G catalog number signify?
The G signifies that the breaker is equipped with ground-fault protection, completing its LIG (Long-Time, Instantaneous, Ground-Fault) trip functions.
What size conductors can be terminated at the SJD69400G lugs?
The breaker accommodates conductor sizes ranging from 3/0 AWG to 500 kcmil for both line and load side connections.
How does the electronic trip unit on the SJD69400G differ from standard thermal-magnetic breakers?
The Sensitrip III solid-state electronic trip unit allows for adjustable long-time, instantaneous, and ground-fault settings, providing more precise coordination and system protection than fixed thermal-magnetic breakers.
How is the SJD69400G installed into a panelboard?
It features a bolt-on connection type for secure, unit-mount installation within compatible Sentron distribution equipment.
Does the SJD69400G provide protection against ground faults?
Yes, the integrated LIG electronic trip unit actively monitors for unwanted current flow to ground, helping to prevent severe equipment damage.
What is the modern replacement for the SJD69400G if upgrading a panel?
When modernizing electrical systems, this Sentron JD Frame breaker is typically replaced by the newer Siemens 3VA Series breakers using an appropriate retrofit kit.
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