Eaton PKZM0-20-PI Motor Protection Circuit Breaker, 3-Pole, 16-20 A, 690 V AC 199160

The Eaton PKZM0-20-PI stands out with its precise adjustable overload range of 16–20 A and robust 690 V AC rating, making it a dependable choice for protecting motors in demanding industrial environments. Its compact design and reliable thermal-magnetic tripping ensure effective protection against overloads and short circuits.

Highlights

• Adjustable overload release: 16–20 A
• Rated operating voltage: 690 V AC
• 3-pole design with screw terminals
• High short-circuit breaking capacity: 100 kA at 400 V
• DIN rail or screw mounting

In daily use

This motor protection circuit breaker is engineered for straightforward integration into motor control circuits. The screw terminals accommodate conductors from 1 to 6 mm², ensuring secure connections. With an electrical and mechanical life exceeding 100,000 operations, it delivers long-term reliability in continuous duty applications.

Full specifications

• Rated operating current (Ie): 20 A
• Overload release setting range: 16 - 20 A
• Rated operating voltage (Ue): 690 V AC
• Rated insulation voltage (Ui): 690 V
• Rated impulse withstand voltage (Uimp): 6 kV
• Number of poles: 3
• Tripping characteristic: Thermal-magnetic
• Short-circuit release (instantaneous): Fixed, approx. 280 A
• Rated short-circuit breaking capacity at 690 V: 6 kA
• Rated short-circuit breaking capacity at 400 V: 100 kA
• Mounting type: DIN rail (EN 60715) / Screw mounting
• Connection type: Screw terminals
• Terminal capacity (solid/stranded): 1 - 6 mm²
• Degree of protection: IP20 (terminals), IP00 (front)
• Ambient operating temperature: -25 to +55 °C
• Standards: IEC/EN 60947-4-1, VDE 0660
• Electrical life: >100,000 operations
• Mechanical life: >100,000 operations
• Function: Motor protection, Overload protection, Short-circuit protection

Final note

The PKZM0-20-PI combines precise adjustment, high breaking capacity, and durable construction, making it a solid choice for motor protection in industrial settings.