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Product Description & Specifications
Confirm the complete catalog number and application requirements before ordering. The specifications below reflect the product information available for this listing.
- Manufacturer
- Siemens
- Sub-Category
- Overload Relay
- Series
- ESP200
- Frame
- 3UB8
- Max current rating
- 22
- Poles
- 3
- Auxiliary contacts
- 1 NO + 1 NC
- Temp Rating
- -13°F to 158°F (-25°C to 70°C)
- Relay Style
- Solid State
- Amperage Maximum
- 22
- Amperage Minimum
- 5.5
- UPC
- 66264389721
- GTIN
- 00662643897210
- Weight
- 5 lb
Product description & additional details
3UB8123-4DW2
3UB8123-4DW2 is a 3-pole thermal overload relay manufactured by Siemens for reliable motor protection. It is rated for an adjustable current range of 12 to 18 A and a maximum operational voltage of 690 V AC, providing dependable protection against overload and phase failure in motor circuits. This relay is designed for direct mounting to Siemens contactors such as 3RT102 and 3RT103 series and features manual or automatic reset capability. The 3UB8123-4DW2 includes trip indication and a test function for easy setup and maintenance.
- Part Number: 3UB8123-4DW2
- Manufacturer: Siemens
- Series / Family: 3UB8 Overload Relays
- Poles: 3-pole
- Current Adjustment Range: 12–18 A
- Rated Operational Voltage: Up to 690 V AC
- Reset Type: Manual or Automatic
- Trip Class: Class 10
- Mounting Style: Direct mount to Siemens 3RT10 contactors
- Auxiliary Contacts: 1 NO + 1 NC
- Application: Motor overload and phase-failure protection
Specifications
- Part Number: 3UB8123-4DW2
- Manufacturer : Siemens
- Brand : Siemens
- Category : Motor Control
- Item Subcategory : Overload Relay
- Family : ESP200
- Type : 3UB8
- Poles : 3
- Temp Rating : -13°F to 158°F (-25°C to 70°C)
- Relay Style : Solid State
- Aux Contacts : 1 NO + 1 NC
- Amperage Maximum : 22
- Amperage Minimum : 5.5
Product Data
- UPC : 66264389721
- GTIN : 00662643897210
- Weight : 5 lb
- Temp Rating : -13°F to 158°F (-25°C to 70°C)
Return eligibility: what to know before ordering
Return requests must be made within 30 days of shipping and require authorization. Used, installed, energized, or tested items are not eligible. A restocking fee of up to 35% may apply. Review the full policy before purchase.
Product-specific restrictions apply. International orders are non-cancellable and non-refundable under the policy.
Warranty supplied by Essential Electric
Warranty coverage is provided by Essential Electric, subject to the product and policy terms. Essential Electric is an independent supplier. Surplus or discontinued inventory may not qualify for the original manufacturer’s warranty.
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