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ABB 1SAZ721201R1025 Thermal overload relay
Item NO.:
1SAZ721201R1025Payment:
T/TPrice:
$680Color:
NEWProduct weight:
0.45KGLead Time:
In stockWe will arrange delivery within 3-5 days after receiving the payment.
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The ABB 1SAZ721201R1025 Thermal Overload Relay (also known as TF42‑1.3) is an electromechanical motor protection device designed for three‑phase AC motors. It detects overload and phase failure conditions and opens the control circuit to protect the motor against overheating and damage. The relay is suitable for direct mounting on compatible ABB contactors or with accessory kits for separate mounting.
| Specification | Description |
|---|---|
| Model | 1SAZ721201R1025 |
| Extended Type | TF42‑1.3 |
| Type | Thermal Overload Relay |
| Rated Current Setting Range | 1.0 … 1.3 A |
| Poles | 3P (three poles) |
| Main Circuit Rated Voltage | 690 V AC |
| Auxiliary Circuit Rated Voltage | 600 V AC/DC |
| Auxiliary Contacts | 1 NC + 1 NO |
| Overload Trip Class | Class 10 |
| Mounting | On contactor or stand‑alone with kit |
| Protection Class | IP20 |
| Operating Temp | ‑25℃ ~ +60℃ |
| Standards | IEC/EN 60947‑1/4‑1/5‑1, UL 60947‑1/4‑1 |
Reliable motor protection with thermal overload trip
Adjustable setting for precise motor safeguarding
Manual/automatic reset options
Auxiliary contacts for control feedback
Compact, robust design for industrial environments
International standard compliance for safety
Three‑phase AC motor overload and phase‑failure protection
Motor control centers and control cabinets
Pumps, fans, compressors, conveyors
Industrial automation systems
HVAC and facility equipment control
Match the relay setting to the motor’s rated current.
Install with compatible contactor to ensure correct function.
Tighten all wiring to prevent poor contact.
Avoid high humidity, dust, and corrosive conditions.
Only reset after fault conditions are cleared.
The structure and details of the product：
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