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Siemens ED63M030 Molded Case Circuit Breaker
- 30A
- 3 Pole
- Bolt-On
Siemens
ED63M030
Molded Case Circuit Breaker
Brand
Siemens
SKU
ED63M030
Quantity
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Siemens ED63M030 - 30A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for high-temperature commercial and industrial environments, this 30A thermal-magnetic breaker features a specialized 50°C ambient calibration. It mounts into Siemens P1, P2, and P3 panelboards, as well as compatible switchboards. Delivering 18kAIC at 600VAC, the unit includes reverse feed capabilities and HACR ratings for versatile HVAC applications. This model serves as the high-ambient alternative to the standard ED63B030.Specifications
| Brand | Siemens |
|---|---|
| Series | ED6 |
| Amperage | 30A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600VAC, 30kA @ 250VDC |
| Frame Type | ED |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards |
| Wire Gauge | 14-10 AWG (Cu), 12-10 AWG (Al) |
| Max Wire | 10 AWG |
| Min Wire | 14 AWG (Cu) / 12 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 50C |
| Construction Features | HACR Rated, Reverse Feed, 50C Ambient Calibration, Non-Interchangeable Trip |
Product FAQs
6 answersWhat does the 'M' in the ED63M030 catalog number indicate?
The 'M' designates that this breaker is calibrated for 50 degrees Celsius (122 degrees Fahrenheit) high-ambient temperature applications. This makes it suitable for demanding environments where a standard 40 degrees Celsius breaker, like the ED63B030, might experience nuisance tripping.
Can the Siemens ED63M030 replace older I-T-E circuit breakers?
Yes, Siemens acquired I-T-E and maintained the ED frame design. The ED63M030 can be used as a direct replacement for legacy I-T-E ED6 frame breakers with matching pole and amperage configurations.
What is required to mount the ED63M030 in a Siemens panelboard?
The ED63M030 is a bolt-on breaker designed for Siemens P1, P2, and P3 panelboards, as well as compatible switchboards. Depending on the specific panelboard chassis, you may need a dedicated mounting strap kit or twin mounting hardware to secure the breaker to the bus.
Where are the lug torque specifications located for the ED63M030?
The required tightening torque values for the line and load lugs are printed directly on the circuit breaker nameplate. Always use a calibrated torque tool to ensure proper termination and prevent thermal issues.
Are special preparations needed when wiring the ED63M030 with aluminum conductors?
Yes, while the standard lugs accept both copper and aluminum wire, you must apply a suitable oxide-inhibiting joint compound when terminating aluminum conductors to prevent oxidation and terminal overheating.
Does the ED63M030 provide ground fault or arc fault protection?
No, the ED63M030 is a standard thermal-magnetic breaker equipped with fixed long-time and instantaneous (LI) trip functions for overload and short-circuit protection. It does not include GFCI or AFCI capabilities.
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