Key Specifications Parameter Value/Description Manufacturer Omron Automation and Safety Part Number K2CM-Q2LA Series K2CM Product Status Obsolete / Discontinued Type Motor Protective Relay (Solid-state) Protection Functions Parameter Value/Description Function Overcurrent, Phase Loss (Open-phase), Phase Sequence (Reverse-phase) Protection Elements Selectable and combinable (overcurrent, open-phase, reverse-phase) Power Supply & Control Circuit Parameter Value Control Supply Voltage 200/220/240 VAC Rated Frequency 50/60 Hz Current Settings Parameter Value Trip Range (Current Setting) 8 ~ 26 A Overcurrent Setting Accuracy ±5% of operating value (at 20±20°C) Time Specifications Parameter Value Delay Time 2 ~ 40 s (switchable between ×1 and ×4 ranges) Time Setting Characteristics Approx. ±30% of the maximum setting value Output Specifications Parameter Value Contact Configuration 1NO + 1NC (1 Form A and 1 Form B) Resetting Method Automatic reset type Insulation & Dielectric Strength Parameter Value Insulation Resistance 10 MΩ min. (between current-carrying terminals and mounting panel) Dielectric Strength 2,500 VAC (between current-carrying terminals and mounting panel) Permissible Impulse Voltage 6,000 V (between current-carrying terminals and mounting panel) Environmental Specifications Parameter Value Operating Temperature -10°C to 60°C (with no icing) Storage Temperature -25°C to 65°C Operating Humidity 35% to 85% Altitude 2,000 m max. Mechanical Specifications Parameter Value Mounting Type Chassis Mount / Surface Mount Termination Style Screw Terminal Service Life (Electrical) 10,000 operations Vibration & Shock Resistance Parameter Value Vibration (Destruction) 10 to 25 Hz, 2-mm double amplitude Vibration (Malfunction) 10 to 55 Hz, 0.3-mm double amplitude Shock (Destruction) 294 m/s² (approx. 30 G) Shock (Malfunction) 98 m/s² (approx. 10 G)