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Thermal Overload Relay ZB32-4 | 2.4-4 A Adjustable Current | IP20 Protection | Eaton
Thermal overload relay ZB32-4 with adjustable current range from 2.4 to 4 A and IP20 protection—ideal for industrial motor protection and control panels. Built for reliable overload protection, it features a manual/automatic reset pushbutton and complies with IEC/EN 60947 standards.
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Product Name/Title: Thermal Overload Relay ZB32-4 | 2.4-4 A Adjustable Current | IP20 Protection | Eaton
Brand: Eaton
SKU: Y7-278449
Alternatively Known As: Thermal Overload Relay ZB32, Motor Overload Relay, Eaton Overload Relay, ZB32 Overload Protector
Technical Specifications
- Rated current (Ir): 2.4 - 4 A
- Number of contacts: 1 normally open (N/O), 1 normally closed (N/C)
- Degree of protection: IP20
- Operating temperature range: -25 °C to 55 °C
- Rated operational voltage (Ue): up to 690 V
- Short-circuit current rating: 6 A Class J/CC fuse
- Reset function: Automatic push-button
- Mounting method: Direct attachment
- Pollution degree: 3
- Overvoltage category: III
- Terminal capacity: up to 4 mm² flexible with ferrule, up to 6 mm² solid/stranded
- Tightening torque: 1.2 Nm (control circuit), 1.8 Nm (main cables)
- Dimensions (H x L x W): 67mm x 96mm x 45mm
- Weight: 0.145 kg
Key Features
- Adjustable current range from 2.4 to 4 A
- Phase-failure sensitivity compliant with IEC/EN 60947
- Manual/automatic reset pushbutton
- Trip-free release mechanism
- Finger and back-of-hand protection (EN 50274)
- Direct mounting with IP20 degree of protection
- Screw connection for main circuit
- Rated operational voltage up to 690 V
- Short-circuit current rating up to 6 A Class J/CC fuse
Professional Installation Requirements
- Installation by a qualified electrician is required to ensure compliance with electrical safety standards and proper integration into motor control systems.
Applications
- Industrial motor protection
- Overload protection in electrical control panels
- Direct mounting in motor control circuits
Standards & Compliance
- Complies with AS/NZS 60950 – Safety of IT and Communication Equipment
- Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Helps prevent motor damage and energy waste by providing reliable overload protection
- Supports longer equipment lifespan reducing electronic waste
Warranty Information
Standard Eaton warranty against manufacturing defects. Please refer to Eaton's official warranty policy for details.
Available Now
The Eaton Moeller ZB32 Thermal Overload Relay is available for immediate purchase, ideal for industrial motor protection and control panel applications.
