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ABB 1SAZ721201R1053 — Overload Relays

ABB 1SAZ721201R1053 Thermal Overload Heater, 29-35 A

MPN1SAZ721201R1053

ABB 1SAZ721201R1053 thermal overload heater for starters, 29-35 AMP adjustable range, listed weight 0.00 kgs, part of the Thermal Overload Heaters for Starters line.

$34.29Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

1SAZ721201R1053 — Mechanical
ParameterValue
Weight0.00 kgs

Product details

The ABB 1SAZ721201R1053 is a thermal overload heater from the Thermal Overload Heaters for Starters line, set to an adjustable current range of 29-35 A. It drops into the matching ABB overload relay base alongside a contactor to give a motor-starter its running-overcurrent trip curve — the heater element is what carries and senses the motor load current, so the dial setting has to match the motor's full-load amps on the nameplate.

Rating that drives the BOM line

The 29-35 A adjustable range is the single functional rating on the record for this code, and it's the one that decides fit — a motor pulling inside that window under normal service will trip on sustained overload but ride through the inrush.

Frequently asked questions

What is 1SAZ721201R1053's listed part # on this Thermal Overload Heaters for Starters line?

Listed part # is 1SAZ721201R1053, ASEA BROWN BOVERI / ABB, 29-35 A adjustable range.

What is 1SAZ721201R1053's listed weight on this Thermal Overload Heaters for Starters line?

Listed weight is 0.00 kgs as carried on the record.

Will 1SAZ721201R1053 drop into a panel that was specified around 1SAZ721201R1049 without rewiring?

Both codes sit in the same ABB 1SAZ721201R heater family and share form factor, so the physical mount lines up; the difference is the current window, so the dial setting has to be re-checked against the motor nameplate before energizing.

MPN
1SAZ721201R1053