JQX-62F-2Z Power Automatic Changeover Relay
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Description
7-Day Replacement Warranty for complete peace of mind
The JQX-62F-2Z is a high-power electromagnetic relay used for switching electrical loads in AC circuits. It operates using an internal coil energized by an AC voltage to change the state of its internal contacts, allowing or cutting off power to connected devices.

FUNCTIONAL DESCRIPTION
- The relay has two separate changeover (DPDT) contact sets.
- When the 220V AC coil is energized:
- An internal magnetic field is generated.
- This pulls the armature, changing the contact position from Normally Closed (NC) to Normally Open (NO).
- This action allows current to flow to the output side.
- When coil power is removed, the contacts return to their original state via a spring mechanism.


TERMINAL CONNECTIONS
The relay will typically have 8 terminals:- 2 terminals for the coil (220V AC) — labeled A1 and A2 or similar.
-
6 terminals for the 2 DPDT contact sets:
- Common (COM)
- Normally Open (NO)
- Normally Closed (NC)

CONSTRUCTION OVERVIEW
- Coil: Copper windings that create a magnetic field when energized.
- Armature: Moving part that responds to the magnetic field to open/close contacts.
- Contacts: Electrically conductive metal pieces that carry the switched load.
- Spring Mechanism: Returns the armature to default position when coil is de-energized.
- Enclosure: Transparent plastic case for insulation and visibility.

TYPICAL APPLICATIONS
- Industrial Motor Control: Start/stop high-current motors.
- HVAC Systems: Switch compressors, fans, heaters.
- Lighting Control: High-capacity lighting banks.
- UPS and Inverters: Switching between power sources.
- Automation Systems: Interface between control circuits and high-power devices.

SAFETY AND HANDLING
- Ensure the coil voltage (220VAC) matches your control signal.
- Always use proper relay sockets or mounting bases.
- Keep in a dry, cool place to avoid moisture-related failure.
- Use snubber circuits or RC networks for inductive load protection.
- Confirm proper contact wiring before energizing.


