Siemens SHLD69500NT Molded Case Circuit Breaker
- 500A
- 3 Pole
- Bolt-On
Quantity
Siemens SHLD69500NT - 500A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Designed to optimize system coordination, the SHLD69500NT is a 500A, 3-pole electronic trip MCCB in the Siemens Sentron LD-frame lineup. It serves critical commercial and industrial applications. This bolt-on device fits Siemens Sentron panelboards and switchboards, and can be replaced by the 3VA6450-6HN31-0AA0 with an adapter strap kit. It utilizes a Sensitrip III microprocessor to provide LSI (Long-Time, Short-Time, Instantaneous) protection, delivering a 65kAIC rating at 480VAC.Specifications
| Brand | Siemens |
|---|---|
| Part Number | SHLD69500NT |
| Series | SHLD6 |
| Amperage | 500A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 35kA @ 600VAC |
| Amperage Range | 100-500A |
|---|
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens Sentron Panelboards, Switchboards, Motor Control Centers |
| 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, Lug Kits |
|---|---|
| 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, High Interrupting Capacity, Reverse Feed, True RMS Sensing, Visual Trip Indicator |
Product FAQs
7 answersWhat does the "NT" suffix mean in the SHLD69500NT catalog number?
The "NT" suffix indicates that this breaker is supplied with no terminals. Line and load lugs are not included and must be purchased separately or reused from your existing installation.
What is the difference between the SHLD69500 and the SHLD69500NT?
Both are identical 500A, 3-pole electronic trip circuit breakers. The only difference is that the standard SHLD69500 includes factory-installed line and load lugs, while the SHLD69500NT is shipped without terminals.
Which lug kits are compatible with the SHLD69500NT breaker?
This LD frame breaker accepts several Siemens lug kits depending on your wire size and material. Common options include the TA2J6500 (2-barrel, #3/0 to 500 kcmil Cu/Al), TA1L6750 (single-barrel, 500 to 750 kcmil Al or 500 to 600 kcmil Cu), and TA3K500 (3-barrel, 1/0 AWG to 500 kcmil Cu/Al).
What type of trip unit is installed in the SHLD69500NT?
It features a solid-state electronic trip unit with adjustable LSI (Long-Time, Short-Time, and Instantaneous) functions. This allows for precise coordination with other protective devices in your electrical distribution system.
Can I adjust the trip settings on this breaker?
Yes, the electronic LSI trip unit features adjustable dials for continuous current setting, long-time delay, short-time pickup, short-time delay, and instantaneous pickup. These must be configured by a qualified professional to match your system coordination study.
What enclosures and equipment can this breaker be installed in?
The SHLD69500NT is designed for use in Siemens Sentron panelboards, switchboards, and motor control centers that accommodate 500A SLD or LD frame breakers.
Is the SHLD69500NT a suitable replacement for older LD frame breakers?
Yes, it shares the same physical dimensions and mounting configuration as standard Siemens LD and SLD frame breakers, making it a direct drop-in replacement for compatible older units in existing infrastructure.
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