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Motor Protective Circuit Breaker 0.25A | Overload Class 10 | Snap-On Mounting | Eaton

BRAND: Eaton
SKU: Y7-72731
$150.70 List price: $187.80
+ −
30 Days Return Delivery Options
Protect your motors with this 0.25A motor protective circuit breaker, featuring overload class 10 and snap-on mounting for easy installation. Ideal for industrial and commercial applications, it ensures reliable motor protection and compliance with safety standards.

Product Name/Title: Motor Protective Circuit Breaker 0.25A | Overload Class 10 | Snap-On Mounting | Eaton

Brand: Eaton

SKU: Y7-72731

Alternatively Known As: Motor protective circuit breaker PKZM0, Eaton PKZM0-0.25, Motor circuit breaker 0.25A, PKZM0 motor protector

Technical Specifications
  • Rated operational current (Ie): 0.25 A
  • Rated operational power at AC-3, 380/400 V, 50 Hz: 0.06 kW
  • Overload release current setting: 0.16 - 0.25 A
  • Tripping characteristic: Overload trigger class 10 A
  • Rated operational voltage (Ue): up to 690 V
  • Short-circuit current rating: up to 65 kA depending on configuration
  • Operating frequency: 40 operations per hour
  • Terminal capacity (flexible with ferrule): 2 x (1 - 6) mm²
  • Terminal capacity (solid): 1 x (1 - 6) mm²
  • Tightening torque: 1.7 Nm for main cable screw terminals
  • Ambient operating temperature range: -25 °C to 55 °C
  • Mounting: Snap-on to IEC/EN 60715 top-hat rail
  • Shock resistance: 25 g mechanical shock
  • Protection: Finger and back-of-hand proof (EN 50274)
  • Lifespan: 100,000 electrical and mechanical operations
  • Dimensions (H x L x W): 93mm x 76mm x 45mm
  • Weight: 0.243 kg
Key Features
  • Phase-failure sensitivity compliant with IEC/EN 60947-4-1 and VDE 0660 Part 102
  • Three-pole motor protective circuit breaker
  • Screw terminal connections with 1.7 Nm tightening torque
  • Overload trigger with tripping class 10 A
  • Rated operational current of 0.25 A
  • Short-circuit current rating up to 65 kA depending on configuration
  • Can be snapped onto IEC/EN 60715 top-hat rail (7.5 or 15 mm height)
  • Protection against direct contact when actuated from front (EN 50274)
  • Suitable for ambient operating temperatures from -25 °C to 55 °C
  • Electrical and mechanical lifespan of 100,000 operations
  • Shock resistance of 25 g according to IEC/EN 60068-2-27
Professional Installation Requirements
  • Installation must be performed by a qualified electrician to ensure compliance with electrical safety standards and proper integration into motor control circuits.
Applications
  • Motor protection in industrial and commercial electrical installations
  • Branch circuit protection for motors with efficiency class IE3
  • Group installations requiring manual type E branch circuit protection
Standards & Compliance
  • Complies with AS/NZS 60950 – Safety of IT and Communication Equipment
  • Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Enhances motor efficiency by providing reliable protection, reducing downtime and energy waste
  • Supports use with IE3 efficiency class motors, promoting energy-efficient motor operation
Warranty Information

Standard Eaton warranty applies; refer to Eaton's official warranty policy for details.

Available Now

The Eaton Moeller PKZM0-0,25 Motor-Protective Circuit-Breaker is available for immediate purchase, ideal for industrial motor protection and electrical control panels.

Product specifications (skuPage.072731.pdf, 77 Kb) [Download]

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