The COB3-3K Push-Button Station from CNC Electric is a durable and compact control device designed for remote operation of cranes, hoists, and heavy-duty equipment. Featuring three mechanical push-buttons, it supports functions such as UP, DOWN, and STOP, with built-in interlocks to prevent simultaneous activation.
Rated for circuits up to AC380V or DC250V at 50/60Hz, it provides overload protection, short-circuit protection, and control functionality. The COB3-3K is built for outdoor use, performing reliably in snowy, dusty, and high-humidity conditions. It complies with Type II mounting standards, and operates within ambient temperatures of -5°C to +40°C, with an electrical life of ≥15,000 hours.
TECHNICAL DETAILS:
| Specification | Details |
| Model | COB3-3K |
| Brand | CNC Electric |
| Type | Push-Button Control Station |
| Buttons | 3 (e.g., UP / DOWN / STOP) |
| Rated Voltage | AC ≤ 380V / DC ≤ 250V |
| Rated Frequency | 50/60Hz |
| Protection Functions | Overload, Short Circuit, Control |
| Mounting Type | Type II |
| Ambient Temperature | -5°C to +40°C |
| Electrical Life | ≥15,000 hours |
| Humidity Conditions | ≤90% at 20°C |
| Application Scope | Cranes, Hoists, Outdoor Equipment |
EN 
FR