Siemens HE42B030 Molded Case Circuit Breaker
- 30A
- 2 Pole
- Bolt-On
Quantity
Siemens HE42B030 - 30A 2 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Engineered for commercial and industrial applications, the Siemens HE42B030 provides reliable overcurrent protection for 240V, 480V, and 600V systems. This 2-pole, 30A molded case circuit breaker features a bolt-on mounting style for secure connections. It mounts into Siemens P1, P2, and P3 panelboards and serves as a cross-reference for older installations, though it has been replaced by the HED42B030 in newer designs. Rated at 100kAIC at 240VAC, it utilizes fixed thermal-magnetic trips.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HE42B030-R |
| Series | HE |
| Amperage | 30A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC, 42kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | HE4 |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards |
| 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 |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, HID Rated, Non-Interchangeable Trip, Trip-Free Mechanism |
Product FAQs
8 answersWhich panelboards are compatible with the HE42B030 circuit breaker?
This breaker is designed for use in Siemens P1, P2, and P3 panelboards.
Can the HE42B030 be installed in older ITE panelboards?
Yes, this legacy E-frame breaker mounts into classic Siemens and ITE Sentron panelboards, switchboards, and motor control centers that accept bolt-on E-frame units.
What type of conductors can be used with the HE42B030 terminal lugs?
The factory lugs are dual-rated for both copper (Cu) and aluminum (Al) conductors, accepting wire sizes from 10 AWG up to 1/0 AWG.
Does the HE42B030 require specific mounting hardware?
As a bolt-on circuit breaker, it requires standard mounting hardware to secure the connections directly to the panelboard bus in Siemens P-series or compatible enclosures.
Can the HE42B030 be used in DC circuits?
Yes, this breaker is rated for DC applications up to 250VDC, providing a 10kA interrupting capacity for direct current systems.
Are the thermal and magnetic trip settings adjustable on this breaker?
No, the HE42B030 is equipped with a fixed thermal and fixed magnetic trip unit. It provides standard long-time and instantaneous (LI) protection without adjustable dials.
Is the HE42B030 a current production model?
No, it is a legacy E-frame molded case circuit breaker. For system upgrades, it is commonly replaced by the modern ED4 frame series, such as the ED42B030.
Why must panel compatibility be verified before installing the HE42B030?
Installing a breaker in an unapproved panel can create a high-resistance connection, void the UL listing, and pose a fire hazard. Always confirm your panelboard label lists Siemens E-frame breakers as acceptable.
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