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20A Changeover Switch | Flush Mount Design | High Mechanical Lifespan | IP65 Rated by Eaton

BRAND: Eaton
SKU: Y7-12742
$64.60 List price: $80.50
+
20A changeover switch with a flush mount design and high mechanical lifespan—ideal for branch circuits and motor disconnect applications. Built for industrial and commercial use, it features a rated impulse withstand voltage of 6000 V AC and operates in temperatures from -25 °C to 50 °C.

Product Name/Title: 20A Changeover Switch | Flush Mount Design | High Mechanical Lifespan | IP65 Rated by Eaton

Brand: Eaton

SKU: Y7-12742

Alternatively Known As: Eaton T0 Changeover Switch, Eaton Moeller T0 Switch, 20A Changeover Switch, Flush Mount Changeover Switch

Technical Specifications
  • Rated operational current (Ie): 20 A at AC-3, 230 V star-delta
  • Rated breaking capacity: 100 A at 220/230 V, 110 A at 400/415 V
  • Rated impulse withstand voltage (Uimp): 6000 V AC
  • Safe isolation: 440 V AC between contacts according to EN 61140
  • Operating frequency: 1200 operations per hour
  • Overvoltage category: III
  • Pollution degree: 3
  • Switching angle: 60°
  • Number of poles: 1
  • Degree of protection: NEMA 1, NEMA 12, IP65
  • Mechanical lifespan: 400,000 operations
  • Terminal capacity: 1 x (0.75 - 2.5) mm² flexible with ferrule
  • Tightening torque: 1 Nm for screw terminals
  • Ambient operating temperature: -25 °C to 50 °C
  • Shock resistance: 15 g mechanical per IEC/EN 60068-2-27
  • Dimensions (H x L x W): 48mm x 76mm x 48mm
  • Weight: 0.083 kg
Key Features
  • 20 A rated operational current at AC-3
  • Flush mounting design
  • Maintained actuator with 0 (Off) position
  • 60° switching angle
  • 1 contact unit with 2 contacts
  • High mechanical lifespan of 400,000 operations
  • Degree of protection: NEMA 1, NEMA 12, IP65
  • Rated impulse withstand voltage of 6000 V AC
  • Safe isolation of 440 V AC between contacts
  • Shock resistance of 15 g mechanical
  • Suitable for use in branch circuits and motor disconnect
  • Operating temperature range from -25 °C to 50 °C
Professional Installation Requirements
  • Professional installation by a qualified electrician is recommended to ensure compliance with electrical standards and safety.
Applications
  • Branch circuits
  • Motor disconnect applications
  • Front mounting in electrical panels
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Durable design reduces need for frequent replacements, minimizing waste
  • High mechanical lifespan supports sustainable long-term use
Warranty Information

Warranty details are provided by Eaton and typically cover manufacturing defects; please refer to Eaton's official warranty policy.

Available Now

The Eaton Moeller® series T0 Changeover Switch 20A Flush Mounting is available now for immediate purchase. Ideal for industrial and commercial electrical control applications.

Product specifications (skuPage.012742.pdf, 88 Kb) [Download]