Siemens SCMD6B700LIH Molded Case Circuit Breaker
- 700A
- 3 Pole
- Unit Mount
Quantity
Siemens SCMD6B700LIH - 700A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for circuit protection, the Siemens SCMD6B700LIH molded case circuit breaker is rated 700A with 3 poles for 3-phase circuits. Voltage ratings are 240VAC, 480VAC and 600VAC, with interrupting ratings of 65kAIC at 600V and 100kAIC at 480V. This SENTRON SCMD series breaker has an MD frame, unit mounting and lug terminals. Its adjustable electronic LI trip provides long-time and instantaneous protection. It is UL approved and meets RoHS and REACh standards.Specifications
| Brand | Siemens |
|---|---|
| Part Number | SCMD6B700LIH |
| Series | SCMD |
| Amperage | 700A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 100kA @ 480VAC, 65kA @ 600VAC |
| Frame Type | MD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Panelboards and Switchboards |
| Max Wire | 500 kcmil |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Standards | UL 489 |
|---|---|
| Approval | UL |
Product FAQs
8 answersWhat does the 700A rating mean when selecting the Siemens SCMD6B700LIH?
The 700A rated current is the basis for selecting this breaker for the circuit load. Coordinate that rating and the trip settings with the load requirements and conductor ampacity.
Which circuit voltages can this breaker be used on?
The breaker is rated for 240VAC, 480VAC and 600VAC. Select it for the circuit voltage, and evaluate its interrupting rating at that voltage separately from its current rating.
How do I check the interrupting rating against available fault current?
The interrupting ratings are 100kAIC at 480V and 65kAIC at 600V. At the applicable voltage, the interrupting rating must meet or exceed the available fault current at the installation point.
What protection does the LI trip function provide?
LI means long-time and instantaneous protection. Long-time protection addresses sustained overcurrent, while instantaneous protection responds to high fault current without an intentional delay.
Why does adjustable electronic tripping matter during setup?
The electronic trip is adjustable, allowing protection settings to be selected for the circuit rather than relying solely on the 700A current rating. Choose settings that coordinate with conductor protection and the intended protection scheme.
What does unit mounting mean for installation planning?
Unit mounting means the breaker is mounted as an individual device. Plan for mechanically securing the breaker as well as making its electrical connections.
How are conductors connected to this breaker?
The terminal connections use lugs, which clamp the conductors at the breaker terminals. Proper conductor preparation and lug tightening are important for secure electrical connections.
What does the three-pole configuration mean for switching?
The three poles switch the phase conductors together through one breaker. This gives you coordinated switching of all three phases rather than separate switching of each phase.
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