Siemens / ITE EH3M070 Molded Case Circuit Breaker
- 70A
- 3 Pole
- Bolt-On
Quantity
Siemens / ITE EH3M070 - 70A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Designed for elevated temperature environments, the Siemens EH3M070 is a legacy 3-pole motor circuit protector rated at 70A with a 50C temperature rating. Operating at 240/480VAC, it delivers 18kA at 240V and 14kA at 480V interrupting capacity. The bolt-on mounting fits Siemens P2, P3, and ITE panelboards. Adjustable magnetic trip settings allow customization for motor starting currents. Load side lugs are included. Replaced by the ED63B070 in current production.Specifications
| Brand | Siemens / ITE |
|---|---|
| Part Number | EH3M070-R |
| Series | EH |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC |
| Phase | 3 |
| AIC Rating | 18kA @ 240VAC, 14kA @ 480VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P2, P3 Panelboards, ITE Panelboards |
| Wire Gauge | 10 AWG - 1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 10 AWG |
| Trip Technology | Magnetic Only |
|---|---|
| Trip Function Code | I |
| Trip Function | Instantaneous Only |
| Trip Adjustability | Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 50C |
| Construction Features | Motor Circuit Protector, Non-Interchangeable Trip |
Product FAQs
8 answersWhich panelboards accept the EH3M070 circuit breaker?
The EH3M070 is a bolt-on E-frame breaker designed to fit Siemens P2 and P3 panelboards. It is also backward compatible with legacy ITE panelboards that accept E-frame breakers.
What is the primary application for the EH3M070 instantaneous-only breaker?
Because it features an adjustable magnetic, instantaneous-only trip unit, this breaker is typically used as a Motor Circuit Protector (MCP). It provides short-circuit protection and must be paired with a separate motor starter or overload relay for complete thermal protection.
What are the wiring requirements for the load side terminals on the EH3M070?
The factory-installed lugs accept 10 AWG to 1/0 AWG wire. Both copper and aluminum conductors are permitted, provided they are torqued to the manufacturer specifications for motor circuit applications.
Is the Siemens EH3M070 the same as the ITE EH3M070?
Yes. Siemens acquired the ITE electrical products division, so the Siemens EH3M070 is the direct, interchangeable replacement for the original ITE-branded EH3M070 breaker.
Can the EH3M070 be used as a main breaker or for general feeder protection?
No. This is an instantaneous-only motor circuit protector, not a standard thermal-magnetic breaker. It is designed specifically for motor branch circuits and cannot be used for general feeder or main service protection.
Does the EH3M070 provide overload protection for motor circuits?
No. The magnetic-only trip unit only responds to instantaneous short-circuit faults. You must install a separate overload device in the motor circuit to protect against thermal overloads and prevent motor damage.
How is the EH3M070 secured inside the panelboard?
It utilizes a bolt-on mounting configuration, bolting directly to the bus bars of compatible Siemens P2, P3, or legacy ITE panelboards to ensure a secure, vibration-resistant connection.
Is the EH3M070 suitable for systems with high fault currents?
The breaker has a maximum interrupting capacity of 18kA at 240V AC and 14kA at 480V AC. You must verify that the available fault current at the panelboard does not exceed these ratings before installation.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 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!!!