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Most orders ship within 1–2 business days via UPS. Larger equipment ships via freight carrier, and customers can use the shipping estimator on the product page for a location-specific quote. Local pickup is also available at the Fairfield, IL facility, typically ready within 4 hours.

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MRO Exchange accepts all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available, with payment due prior to shipment. Custom terms are available for established accounts.

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Siemens 3RV2742-5FD10 Circuit Breaker 600V Open Box - Unused

$599.00 USD

Sale Sold out

✓ 30-day returns on every item — return policy

ConditionOpen Box - Unused MPN3RV2742-5FD10 Stock #Stock # 0626-01892

30-day returns on every item. Photos reflect the actual item’s current condition — see our return policy and condition guide.

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⚡ Same-day shipping available — order by 11 am CT ($100 add-on at checkout)

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Product Specifications

Manufacturer: Siemens
MPN / Model: 3RV2742-5FD10
Product Type: Circuit Breaker
Product Line: SIRIUS
Rated Current: In = 35A
Poles: 3 (1/L1, 3/L2, 5/L3)
Maximum Voltage: 600Y/347V
Frequency: 50/60Hz
Interrupting Rating: 20kA at 600Y/347V, 65kA at 480Y/277V
Standard: UL489
Terminal Type: Screw
Country of Manufacture: Germany

Product Description

Siemens catalog number 3RV2742-5FD10 is a three pole SIRIUS circuit breaker rated In = 35A, with a maximum voltage of 600Y/347V at 50/60Hz. The unit carries a UL489 marking and lists interrupting ratings of 20kA at 600Y/347V and 65kA at 480Y/277V. Line terminals are marked 1/L1, 3/L2, and 5/L3, with screw connections and a rotary operating handle showing ON and TRIPPED positions plus a TEST function.

The breaker is marked as made in Germany and shows date code G/240613 on both the housing label and the carton label. Buyers matching a Siemens catalog number for panel replacement, spare inventory, or maintenance stock can compare the exact MPN 3RV2742-5FD10, the 35A trip rating, and the three pole configuration against the unit currently installed.

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Frequently Asked Questions

Shipping & Handling

Most orders ship within 1–2 business days via UPS, but expedited same-day handling is available as an add-on to orders in cart. Larger equipment ships via freight carrier. Use the shipping estimator above for a location-specific quote. Local pickup is also available at our Fairfield, IL facility, typically ready within 4 hours.

Returns & Condition

All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.

Payment Options

We accept all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available by selecting "Purchase Order / Wire Transfer" at checkout. Payment is due prior to shipment. Contact us for custom terms on established accounts. Tax exemptions are honored if proper documentation is provided.