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ABB 1SAZ721201R1033
TF42-3.1 Thermal Overload Relay
Product Description
The TF42-3.1 thermal overload relay is a cost-effective electromechanical protection device designed for the primary circuit. It provides dependable and rapid protection for motors in cases of overload or phase failure.
This device boasts a trip class 10, along with temperature compensation, trip contact (NC), signal contact (NO), selectable automatic- or manual reset, trip-free mechanism, STOP function, and a trip indication. The overload relays are directly connected to the block contactors.
Single mounting kits are available as an accessory option.
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Offer details
- Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees
- Availability:
- On requestLead time: 21 days
- Warranty:
- Not specified
- Condition:
- New Surplus
Specifications
- Brand
- ABB
- Setting Range
- 2.3 ... 3.1 A
- Rated Operational Voltage
- Auxiliary Circuit 600 V AC/DCMain Circuit 690 V ACMain Circuit 600 V DC
- Rated Operational Current (Ie)
- 3.1 A
- Rated Frequency (f)
- Auxiliary Circuit 50 HzAuxiliary Circuit 60 HzAuxiliary Circuit DCMain Circuit 50 HzMain Circuit 60 Hz
- Rated Impulse Withstand Voltage (Uimp)
- Auxiliary Circuit 6 kVMain Circuit 6 kV
- Rated Insulation Voltage (Ui)
- 690 V
Available Offers
(7)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
| Condition New Surplus | Availability On requestLead time: 21 days | Supplier | Warranty Not specified | ||
| Condition Refurbished | Availability 6 pcs. Updated at: 15-09-2026In-Stock | Supplier | Warranty 24 months | ||
| Condition New Factory Sealed | Availability 1 pc. Updated at: 31-10-2025In-Stock | Supplier | Warranty Not specified | ||
| Condition New Factory Sealed | Availability 4 pcs. Updated at: 31-10-2025In-Stock | Supplier | Warranty Not specified | ||
| Condition New Factory Sealed | Availability 3 pcs. Updated at: 20-09-2026In-Stock | Supplier | Warranty 24 months | ||
![]() | Condition New Surplus | Availability 2 pcs. Updated at: 20-09-2026In-Stock | Supplier | Warranty 12 months |
Offer with manufacturer lead time
Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.
Documents
Data Sheet
Datasheet for ABB 1SAZ721201R1033, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 22-08-2026

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