Refrigeration Electrical Sequence Training Kit

Application: Training kit for electrical wiring and sequential control of refrigeration and air conditioning systems

Panel Size: Minimum 800×600mm; DIN rail mounting assembly; IP54 protection rating

NFB: 30A / 220V

Magnetic Contactors: At least two magnetic contactors with a rated current of not less than 10A AC-3.

Overload Relay: One overload relay.

Relays: At least two control relays with sockets.

IC Timer: One 60-second timer with a base.

Blinking Unit: One blinking relay, or equivalent timer function.

24-Hour Timer: One 24-hour timer.

Terminal Blocks: Terminal blocks with a total of at least 12 terminals.

Indicator Lights: Red (2), Green (1), Yellow (1), White (1)

Buzzer: DC 24V - 1.

Switches: Toggle switch (1), push-button switch (2), selector switch (1)

Wiring: Color-coded wiring with 4mm safety banana plugs and jumpers, conforming to IP2X/IEC 61010-031 protection against electric shock. The incoming power supply and circuit breaker box have a protection rating of at least IP54.

Circuit Diagram: The control panel is equipped with sufficient components to connect and operate at least five control circuits, each with a circuit diagram and exercises: direct compressor start; evacuation control; delayed start; defrost timing; alarm and audible alerts; sequential two-stage compressor or fan control; overload trip and reset indication.

Available: CE marking; IEC 60947 compliant components; IP54 protection enclosure.