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Siemens ED21B100 Molded Case Circuit Breaker
- 100A
- 1 Pole
- Bolt-On
Siemens
ED21B100
Molded Case Circuit Breaker
Brand
Siemens
SKU
ED21B100
Quantity
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Siemens ED21B100 - 100A 1 Pole Molded Case Circuit Breaker
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Description
Part of the Sentron ED2 series, the Siemens ED21B100 is a 1-pole, 100A MCCB designed for commercial power distribution. It features fixed thermal-magnetic trip units to safeguard circuits. This device mounts into Siemens P2, P3, and Sentron panelboards, as well as compatible switchboards. It utilizes a secure bolt-on connection and accepts 10-1/0 AWG wire via the included load lugs. Rated for 10kAIC at 120VAC, this HACR-rated breaker meets UL 489 standards for reliable performance.Specifications
| Brand | Siemens |
|---|---|
| Part Number | ED21B100 |
| Series | ED2 |
| Amperage | 100A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC, 125VDC |
| Phase | 1 |
| AIC Rating | 10kA @ 120VAC, 5kA @ 125VDC |
| Frame Type | ED |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P2, P3 Panelboards, Sentron Panelboards, Switchboards |
| Wire Gauge | 10-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 10 AWG |
| 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, HACR Rated, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
5 answersWhat panelboards are compatible with the Siemens ED21B100 circuit breaker?
This bolt-on circuit breaker is designed for use in Siemens P2, P3, and Sentron panelboards, as well as compatible Siemens switchboards. It is not intended for standard residential plug-on load centers.
Is the ED21B100 suitable for DC circuits?
Yes, in addition to its standard AC ratings, this breaker is certified for direct current applications up to 125VDC, making it versatile for specialized control panels and industrial DC systems.
What type of wire connections does the ED21B100 support?
It comes equipped with standard load-side lugs that accept both copper and aluminum (Cu/Al) wire from 10 AWG up to 1/0 AWG. Ensure proper torque is applied during installation as specified on the breaker label.
Can this breaker be used for HVAC equipment?
Yes, the ED21B100 is HACR rated, meaning it is certified for safe use with heating, air conditioning, and refrigeration systems that require HACR-designated overcurrent protection.
Can I use the ED21B100 to replace an older ITE or Gould ED frame breaker?
Yes, Siemens acquired the ITE and Gould circuit breaker lines. The ED21B100 is the direct, modern replacement for older 1-pole, 100-amp, bolt-on ED frame breakers from those legacy brands.
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