Siemens SMD69800ANGTH Molded Case Circuit Breaker
- 800A
- 3 Pole
- Unit Mount
Quantity
Siemens SMD69800ANGTH - 800A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for industrial applications, the Siemens SMD69800ANGTH is a 3-pole, 800A molded case circuit breaker from the Sentron MD frame family. This unit-mount breaker installs into Siemens P4, P5, S4, S5, and SPP panelboards, plus SB switchboards. Line and load lugs are included. Rated 50 kAIC at 480V, it features a 100% continuous rating and a Sensitrip III electronic trip unit. Adjustable LSIG settings provide precise coordination and ground-fault protection.Specifications
| Brand | Siemens |
|---|---|
| Part Number | PGA36080U43A |
| Series | SMD6 |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 50kA @ 480VAC, 25kA @ 600VAC |
| Frame Type | SMD |
|---|---|
| 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 | LSIG |
| Trip Function | Long-Time, Short-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | 100% Rated, HACR Rated, Reverse Feed, Non-Interchangeable Trip, Trip-Free Mechanism, Adjustable Trip, Ground Fault Protection |
Product FAQs
6 answersWhat does the "9" in the SMD69800ANGTH catalog number indicate about its rating?
The number 9 in the Sentron catalog number indicates that this is a 100-percent rated circuit breaker. Unlike standard breakers that are limited to an 80-percent continuous load, this model can carry its full 800-amp capacity continuously when installed in an appropriately sized and ventilated enclosure.
Which standard lugs are equipped on this circuit breaker?
This breaker comes factory-equipped with TA3K500 lugs on both the line and the load sides. These lugs accept three cables per phase and are rated for 1/0 AWG to 500 kcmil copper or aluminum conductors.
What types of distribution equipment are compatible with this MD frame breaker?
The Sentron SMD6 breaker is built for unit-mount installations. It is fully compatible with Siemens P4, P5, S4, and S5 panelboards, as well as SB series switchboards and Siemens Motor Control Centers designed to accept MD frame devices.
What are the physical dimensions of this MD frame circuit breaker?
Standard dimensions for this unit are 16 inches in height, 9 inches in width, and 6 inches in depth. Panel builders must account for these measurements when verifying enclosure space and wire-bending requirements.
How are the electronic trip settings adjusted for system coordination?
Electricians can configure the breaker's tripping curve using the adjustable dials on the face of the solid-state trip unit. This allows for precise tuning of the Long-Time, Short-Time, Instantaneous, and Ground-Fault parameters to align with a facility's electrical coordination study.
Does the ground-fault function on this breaker provide personnel protection?
No. The ground-fault protection on an 800A industrial feeder breaker is designed to protect equipment and distribution systems from low-level arcing faults. It does not provide life-safety personnel protection like a standard 15A or 20A GFCI receptacle.
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