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Thermal Overload Relay ZB12-12 | 9-12 A Adjustable | IP20 Protection | Manual/Automatic Reset by Eaton
The ZB12-12 thermal overload relay features an adjustable current range of 9-12 A and IP20 protection—ideal for industrial motor protection and electrical control panels. Built for reliable overload protection, it includes a manual/automatic reset pushbutton for convenience.
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Product Name/Title: Thermal Overload Relay ZB12-12 | 9-12 A Adjustable | IP20 Protection | Manual/Automatic Reset by Eaton
Brand: Eaton
SKU: Y7-278441
Alternatively Known As: Thermal Overload Relay ZB12, Motor Overload Relay, Eaton ZB Overload Relay, ZB12 Motor Protection Relay
Technical Specifications
- Current range: 9 - 12 A adjustable
- Number of contacts: 1 normally open, 1 normally closed
- Degree of protection: IP20
- Rated operational voltage (Ue): max 690 V
- Rated impulse withstand voltage (Uimp): 4000 V auxiliary/control circuits, 6000 V AC
- Rated operational current (Ie) at AC-15, 220-240 V: 1.5 A
- Rated operational current (Ie) at AC-15, 380-415 V: 0.9 A
- Reset function: Automatic push-button
- Mounting method: Direct mounting
- Overvoltage category: III
- Terminal capacity: 0.75 - 6 mm² depending on cable type
- Short-circuit current rating: 15 A Class J/CC fuse
- Operating temperature range: -25 °C to 55 °C
- Pollution degree: 3
- Protection: Finger and back-of-hand proof
- Dimensions (H x L x W): 67mm x 88mm x 45mm
- Weight: 0.145 kg
Key Features
- Trip-free release mechanism
- Phase-failure sensitivity compliant with IEC/EN 60947
- Manual/automatic reset pushbutton
- Test/off button for functionality checks
- Finger and back-of-hand proof protection (EN 50274)
- Adjustable current range from 9 A to 12 A
- Screw connection type for main circuit
- Rated operational voltage up to 690 V
- Short-circuit current rating 15 A (Class J/CC fuse)
- Shock resistance 10 g mechanical sinusoidal
Professional Installation Requirements
- Installation by a qualified electrician is required to ensure compliance with electrical safety standards and proper integration into control systems.
Applications
- Industrial motor protection
- Electrical control panels
- Overload protection in machinery
- Direct mounting in switchgear assemblies
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 precise overload protection
- Supports longer equipment lifespan reducing electronic waste
Warranty Information
Standard Eaton warranty applies; please refer to Eaton's official warranty policy for details.
Available Now
The Eaton Moeller ZB12 Thermal Overload Relay is available for immediate purchase, ideal for industrial motor protection and electrical control panel applications.
