Siemens SMD69800ANT Molded Case Circuit Breaker
- 800A
- 3 Pole
- Unit Mount
Quantity
Siemens SMD69800ANT - 800A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for demanding electrical systems, the Siemens SMD69800ANT is a 3-pole, 800A electronic trip MCCB. It provides robust protection using the proven Sentron MD frame. It mounts into Siemens P4, P5, S4, S5, and SPP panelboards, along with SB switchboards. TA3K500 lugs are included for standard connections. The Sensitrip III unit delivers true RMS sensing with adjustable LSI functions, allowing for superior system coordination compared to thermal-magnetic alternatives.Specifications
| Brand | Siemens |
|---|---|
| Part Number | SMD69800ANT |
| Series | SMD6 |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 50kA @ 480VAC, 25kA @ 600VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P4, P5, S4, S5, SPP Panelboards, SB Switchboards, Motor Control Centers |
| Wire Gauge | 3 Cables: 1/0 AWG - 500 kcmil (Cu/Al) |
| Max Wire | 500 kcmil |
| Min Wire | 1/0 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Lugs (TA3K500) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Trip-Free Mechanism, Interchangeable Trip Unit, True RMS Sensing |
Product FAQs
6 answersDoes the SMD69800ANT come with lugs installed?
No, the 'T' in the SMD69800ANT catalog number indicates that the breaker is supplied without lugs. You must source the appropriate lugs separately based on your conductor size, such as TA3K500 lugs for 1/0 AWG to 500 kcmil wire or the 3TA2N8750 lug kit for 500 to 750 kcmil wire.
Can the SMD69800ANT be reverse fed?
Yes, this breaker is acceptable for reverse connection applications. This allows power to be fed from either the line or load side terminals, providing flexibility for panel builders.
How is the trip unit configured on the SMD69800ANT?
This breaker features a solid-state electronic trip unit with adjustable Long-Time (L), Short-Time (S), and Instantaneous (I) functions. This allows electricians to precisely coordinate the breaker with other protective devices in the system.
Which Siemens enclosures and panelboards are compatible with the SMD69800ANT?
This MD-frame breaker is designed to mount in Siemens P4, P5, S4, S5, and SPP panelboards, as well as SB switchboards and motor control centers.
What is the correct interrupting rating (AIC) for the SMD69800ANT at 480V?
While some older documentation may list lower ratings, the official Siemens specification for the SMD69800ANT is 50kA at 480VAC. It is also rated for 65kA at 240VAC and 25kA at 600VAC.
Can the SMD69800ANT replace older Siemens or ITE MD-frame breakers?
Yes, the SMD69800ANT shares the same physical dimensions and mounting footprint as older Siemens and ITE Sentron MD-frame breakers. It serves as a direct drop-in replacement when upgrading from thermal-magnetic units to electronic trip.
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