Siemens HEB3B100B 100A 3-Pole 480V 65kA Molded Case Circuit Breaker
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The Siemens HEB3B100B is a new, factory-sealed molded case circuit breaker in the EG frame, rated 100A, 3-pole, with a thermal-magnetic trip mechanism and bolt-on mounting with integral line-side lugs included. Interrupting capacity is 100kA at 240V, 65kA at 480V, and 25kA at 600Y/347V per the UL listing (AF-E18H), and it also carries IEC 60947-2 Cat A ratings of 100/50kA at 220/240V and 70/35kA at 380/415V. The breaker operates at 50/60 Hz, is rated for use up to 40°C ambient, and is suitable for single-phase AC circuits using two poles for DC applications. Wire range is 14–10 AWG through 3/0 AWG (2.5–50mm²) on standard terminals, with a separate lug terminal accepting 8–3/0 AWG (16–95mm²); torque values are 35–60 Nm depending on wire size. Assembled in the Dominican Republic under Siemens Industry, Inc. (Norcross, GA), style number 67B3835G17, this breaker mounts in Siemens EG-frame enclosures and panelboards.
Product Specifications
| Manufacturer Part Number | HEB3B100B |
| Brand | Siemens |
| Frame | EG |
| Type | HEB |
| Number of Poles | 3 |
| Ampere Rating | 100A |
| Trip Type | Thermal-Magnetic |
| Mounting Type | Bolt-On |
| Interrupting Rating @ 240V | 100 kA RMS Sym |
| Interrupting Rating @ 480V | 65 kA RMS Sym |
| Interrupting Rating @ 600Y/347V | 25 kA RMS Sym |
| Interrupting Rating @ 125/250V | 42 kA RMS Sym |
| Max Voltage Rating (AC) | 600V AC |
| IEC Voltage Rating | Ui 500V, Uimp 6kV |
| IEC Rating @ 220/240V | Icu/Ics 100/50 kA |
| IEC Rating @ 380/415V | Icu/Ics 70/35 kA |
| IEC Rating @ 250V | Icu/Ics 12/42 kA |
| IEC Standard | IEC 60947-2 Cat A |
| UL Listing | UL Listed, File AF-E18H |
| Frequency | 50/60 Hz |
| Max Ambient Temperature | 40°C |
| Wire Range (Standard Terminals) | 14-10 AWG to 3-3/0 AWG (2.5-50 mm²) |
| Wire Range (Lug Terminals) | 8-3/0 AWG (16-95 mm²) |
| Torque Range | 35-60 Nm (wire size dependent) |
| Lugs Included | Yes |
| Style Number | 67B3835G17 |
| Condition | New, Factory Sealed |
| Country of Assembly | Dominican Republic |
| Compatible Frame Enclosure | Siemens EB Frame |
| Single-Phase AC Suitable | Yes (use 2 poles for DC) |