Siemens SCND69800ANGTH Molded Case Circuit Breaker
- 800A
- 3 Pole
- Bolt-On
Quantity
Siemens SCND69800ANGTH - 800A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Capable of carrying its full current capacity continuously, the Siemens SCND69800ANGTH is a 100% rated, 800A electronic trip circuit breaker. It is designed for heavy-duty industrial applications requiring maximum uptime. This ND frame unit bolts into Siemens Sentron panelboards, switchboards, and motor control centers. Featuring a 65kAIC rating at 480VAC, the solid-state trip unit provides adjustable LSIG settings, ensuring precise coordination and integrated ground fault protection.Specifications
| Brand | Siemens |
|---|---|
| Part Number | SCND69800ANGTH |
| Series | SCND |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 35kA @ 600VAC |
| Frame Type | SND |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 250-500 kcmil (Cu/Al) |
| Max Wire | 500 kcmil |
| Min Wire | 250 kcmil |
| 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, Undervoltage Release, Alarm Switch, Lug Kits |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, HACR Rated, 100% Rated, Non-Interchangeable Trip, Reverse Feed |
Product FAQs
7 answersWhat type of enclosures and equipment accept the SCND69800ANGTH breaker?
This ND-frame breaker is engineered for installation in Siemens Sentron panelboards, switchboards, and motor control centers. It requires adequate physical space for its 800A frame and utilizes a bolt-on connection to the bus.
What does the LSIG designation mean for this electronic trip unit?
LSIG indicates that the solid-state trip unit provides adjustable protection parameters for Long-Time, Short-Time, Instantaneous, and Ground Fault. This allows panel builders and electricians to precisely coordinate the breaker with downstream loads and upstream overcurrent devices.
What are the lug wire size requirements for this 800A breaker?
The factory-installed lugs accommodate 250 to 500 kcmil copper or aluminum (Cu/Al) conductors. When installing these large cables, ensure your enclosure provides adequate wire bending space to meet NEC requirements.
Is the SCND69800ANGTH suitable for continuous loads at its full 800A rating?
Yes. The C in the SCND prefix designates this as a 100 percent rated breaker. It can carry its full 800A continuous current rating when installed in an appropriately sized and ventilated enclosure, unlike standard 80 percent rated breakers.
Does this breaker satisfy NEC requirements for ground fault protection?
Yes. The integrated Ground Fault function (the G in LSIG) provides equipment protection that is often required by the National Electrical Code or engineered system designs for large commercial and industrial feeders.
Can this breaker be used as a plug-in unit?
No, the SCND69800ANGTH features a bolt-on connection type. It must be securely bolted directly to the busbars in compatible Siemens Sentron distribution equipment and cannot be used in plug-on applications.
How does the SND frame differ from standard ND frames?
The SND frame designation specifically indicates that the breaker utilizes a Sensitrip solid-state electronic trip unit rather than a traditional thermal-magnetic trip unit. It shares the same physical dimensions as standard Siemens ND frames but offers advanced adjustability.
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