Siemens SPD69140NGT Molded Case Circuit Breaker
- 1400A
- 3 Pole
- Bolt-On
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Siemens SPD69140NGT - 1400A 3 Pole Molded Case Circuit Breaker
New
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Description
Part of the Sentron series, the Siemens SPD69140NGT is a 1400A, 3-pole molded case circuit breaker designed for commercial and industrial power distribution. It bolts into Siemens switchboards, power panelboards, and enclosures that accept PD frame breakers. This unit is a drop-in replacement for legacy installations and is succeeded by the SPD6A140LSIG. Featuring a Sensitrip III solid-state trip unit, it delivers adjustable long-time, short-time, instantaneous, and ground fault protection.Specifications
| Brand | Siemens |
|---|---|
| Part Number | SPD69140NGT |
| Series | SPD6 |
| Amperage | 1400A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 50kA @ 480VAC, 25kA @ 600VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens Sentron Switchboards, Power Panelboards, Enclosures |
| Wire Gauge | (5) 300-600 kcmil (Cu/Al) |
| Max Wire | 600 kcmil |
| Min Wire | 300 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, Lugs |
|---|---|
| Accessories | Lugs (TA5P600) |
| 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 |
Product FAQs
7 answersWhat equipment is compatible with the SPD69140NGT circuit breaker?
This breaker is designed to bolt into Siemens Sentron switchboards, power panelboards, and standalone enclosures configured for PD-frame molded case circuit breakers.
What are the lug wire size and material requirements for this breaker?
The terminal lugs accommodate up to five 300 to 600 kcmil copper (Cu) or aluminum (Al) conductors per phase.
What does the LSIG designation mean on this trip unit?
LSIG indicates that the solid-state electronic trip unit provides adjustable Long-Time, Short-Time, Instantaneous, and Ground-Fault protection. This allows electricians to precisely coordinate the breaker with specific load requirements and downstream devices.
Are the trip settings on the SPD69140NGT adjustable?
Yes. The electronic trip unit features adjustable dials for continuous amperage, short-time delay, and instantaneous pickup, allowing panel builders to customize the protection curve for the specific application.
Does this breaker require a separate ground fault relay?
No. The integrated LSIG electronic trip unit includes built-in ground fault protection, eliminating the need for an external ground fault relay system.
Can I install this breaker in a standard load center?
No. Due to its 1400A rating and PD-frame physical size, this breaker is strictly for use in commercial and industrial power panelboards or switchboards, not standard residential or light-commercial load centers.
What is the direct replacement or successor for the SPD69140NGT?
The SPD69140NGT is a legacy Sentron series breaker. For modern drop-in replacements, it is typically succeeded by the Siemens SPD6A140LSIG.
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