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Thermal Overload Relay ZB12-4 | 2.4-4 A Current Range | IP20 Protection | Direct Mounting by Eaton
The ZB12-4 thermal overload relay features a 2.4-4 A adjustable current range and IP20 protection—ideal for industrial motor protection and control panels. Built for reliable overload protection, it includes a manual/automatic reset pushbutton for easy diagnostics.
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Product Name/Title: Thermal Overload Relay ZB12-4 | 2.4-4 A Current Range | IP20 Protection | Direct Mounting by Eaton
Brand: Eaton
SKU: Y7-278438
Alternatively Known As: Thermal Overload Relay ZB12, Motor Overload Relay, Eaton ZB Overload Relay, ZB12 Thermal Relay
Technical Specifications
- Rated operational current (Ie): 2.4 - 4 A
- Number of auxiliary contacts: 1 normally open, 1 normally closed
- Degree of protection: IP20
- Mounting method: Direct attachment
- Rated operational voltage (Ue) max: 690 V
- Short-circuit current rating: 6 A Class J/CC max fuse, 100 kA SCCR (UL/CSA)
- Operating temperature range: -25 °C to 55 °C
- Reset function: Automatic push-button
- Terminal capacity: 1 x (1 - 4) mm² flexible with ferrule, 2 x (0.75 - 4) mm² solid
- Overvoltage category: III
- Shock resistance: 10 g mechanical sinusoidal
- Dimensions (H x L x W): 67mm x 88mm x 45mm
- Weight: 0.142 kg
Key Features
- Trip-free release mechanism
- Manual/automatic reset pushbutton
- Test/off button for easy diagnostics
- Phase-failure sensitivity compliant with IEC/EN 60947
- Finger and back-of-hand protection against direct contact
- Adjustable current range from 2.4 to 4 A
- Direct mounting with IP20 degree of protection
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 60947 for low-voltage switchgear and controlgear
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 applies; refer to Eaton's official warranty policy for details.
Available Now
The Eaton Moeller ZB12-4 Thermal Overload Relay is available for immediate purchase, ideal for industrial motor protection and control panel applications.
