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ABB 1SAZ721201R1049

TF42-20 Thermal Overload Relay 16...20A

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ABB 1SAZ721201R1049 TF42-20 Thermal Overload Relay 16...20A — General Accessories
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ABB 1SAZ721201R1049 TF42-20 Thermal Overload Relay 16...20A — General Accessories
ABB 1SAZ721201R1049 TF42-20 Thermal Overload Relay 16...20A — General Accessories
ABB 1SAZ721201R1049 TF42-20 Thermal Overload Relay 16...20A — General Accessories

Product Description

The TF42-20 thermal overload relay is a cost-effective electromechanical protection device designed for the primary circuit. It provides dependable and rapid protection for motors in case of overload or phase failure. The relay features trip class 10, temperature compensation, trip contact (NC), signal contact (NO), selectable automatic or manual reset, trip-free mechanism, STOP function, and a trip indication. These overload relays are directly connected to the block contactors. Single mounting kits are available as an accessory.

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Call us at:+48 17 778 34 19
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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
New Surplus - A new, unused, undamaged item without a manufacturer guarantee. The item may come without original packaging or in replacement packaging. If provided, the box may have been opened.
The Seller is responsible for shipping the product and invoicing

Specifications

Brand
ABB
Setting Range
16 ... 20 A
Rated Operational Voltage
Auxiliary Circuit 600 V AC/DCMain Circuit 690 V ACMain Circuit 600 V DC
Rated Operational Current (Ie)
20 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

(5)
ConditionAvailabilitySupplierWarrantyAction
ABB 1SAZ721201R1049
Condition
New Surplus
Availability
On requestLead time: 21 days
Supplier
RomaniaTrusted supplier — member since 2023, 1–4 employees 
Warranty
Not specified
ABB 1SAZ721201R1049
Condition
New Surplus
Availability
3 pcs.
In-Stock
Updated at: 15-09-2026
Supplier
GermanyTrusted supplier — member since 2024 
Warranty
24 months
ABB 1SAZ721201R1049
Condition
New Factory Sealed
Availability
4 pcs.
In-Stock
Updated at: 31-10-2025
Supplier
United KingdomTrusted supplier — member since 2021 
Warranty
Not specified
ABB 1SAZ721201R1049
Condition
New Factory Sealed
Availability
5 pcs.
In-Stock
Updated at: 31-10-2025
Supplier
United KingdomTrusted supplier — member since 2021 
Warranty
Not specified
ABB 1SAZ721201R1049
Condition
New Factory Sealed
Availability
5 pcs.
In-Stock
Updated at: 20-09-2026
Supplier
PolandTrusted supplier — member since 2023, 50–99 employees 
Warranty
24 months

Documents

Data Sheet

Datasheet for ABB 1SAZ721201R1049, including specifications and features.

Download Data Sheet
TraceParts

CAD Models

3D CAD model and technical drawings, ready for your design software.

Download CAD Model

Product data updated: 22-08-2026

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