Free Shipping Over $99
Siemens EH3B090 Molded Case Circuit Breaker
- 90A
- 3 Pole
- Bolt-On
Siemens
EH3B090
Molded Case Circuit Breaker
Brand
Siemens
SKU
EH3B090
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Siemens EH3B090 - 90A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Similar Items
80A 3 Pole Molded Case Circuit Breaker
60A 3 Pole Molded Case Circuit Breaker
30A 3 Pole Molded Case Circuit Breaker
Description
Providing essential overcurrent protection for commercial facilities, the Siemens EH3B090 delivers reliable 90-amp thermal-magnetic circuit protection. It utilizes a fixed trip unit to ensure precise long-time and instantaneous response during faults. The bolt-on connections allow for straightforward installation into Siemens P1, P2, and P3 panelboards, as well as classic ITE enclosures. For modern panel upgrades, this breaker is replaced by the ED43B090.Specifications
| Brand | Siemens |
|---|---|
| Part Number | EH3B090-R |
| Series | EH |
| Amperage | 90A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 18kA @ 240VAC, 14kA @ 480VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P1, P2, P3 Panelboards, ITE 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, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip |
Product FAQs
6 answersWhich panelboards are compatible with the EH3B090 breaker?
This bolt-on breaker is designed for installation in Siemens P1, P2, and P3 panelboards, as well as legacy ITE panelboards.
Is the Siemens EH3B090 the same as the ITE EH3B090?
Yes. Siemens acquired ITE and continued manufacturing the EH frame under the Siemens brand. An ITE EH3B090 and a Siemens EH3B090 are the exact same breaker and are directly interchangeable.
Does this breaker include line side lugs?
No, the EH3B090 is a bolt-on breaker designed to bolt directly to the panelboard bus on the line side. It only includes lugs on the load side.
What wire sizes and materials are accepted by the load side lugs?
The factory-installed load lugs accept 10 AWG through 1/0 AWG wire and are rated for both copper (Cu) and aluminum (Al) conductors.
Can the EH3B090 be utilized in direct current applications?
Yes, this thermal magnetic breaker is rated for DC use, providing up to 10kA interrupting capacity at 250VDC.
Are the trip settings adjustable on the EH3B090?
No, this breaker features a non-interchangeable thermal magnetic trip unit with fixed long-time and fixed instantaneous (LI) trip functions.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 7 reviews.
Total 5 star reviews: 7 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Search
Rating
7 reviews
- TSThomas S.Verified BuyerReviewingSiemens EH3B020 - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/6/25Great
Thanks
- JMJim M.ReviewingSiemens EH3B040 - 40A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/24/23They fit perfectly and saved
They fit perfectly and saved us a lot of money by being able to replace just these breakers
- KHKen H.ReviewingSiemens EH3B030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/12/23Great service
Great service and products fast shipping
- JSJerry S.ReviewingSiemens / ITE EH3B070 - 70A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/20/22Great Price - Breakers Work Fine
My local Supplier was charging me three times the price for a breaker that i bought on super Breakers.
- MRMatt R.ReviewingSiemens EH3B020 - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/6/2020 Amp Breaker
Received item quickly and in great shape. Thank you!!!