Chint CJX1 75/22 Contactor

Chint CJX1-75/22 is a heavy-duty 3-pole AC contactor rated 75A in AC-3 duty, designed for remote control, starting, and stopping of AC motors and industrial loads. With 3NO main contacts and 2NO+2NC auxiliary contacts, it suits a wide range of control schemes in MCCs and automation panels.

Key Features 

• 75A AC-3 rated industrial AC contactor for motor and power control

• 3 main normally open (3NO) power poles for three-phase loads

• 2 NO + 2 NC auxiliary contacts for control, signalling and interlocks

• Rated insulation voltage up to 1000V (Ui)

• Rated operational voltage up to 380V AC for AC-3 duty

• AC operational coil with multiple voltage options: 24V, 36V, 48V, 110V, 220V, 380V AC

• Suitable for both Hz and Hz systems

• Screw mounting and DIN rail mounting options for flexible installation

• Protection class IP00 for inside-panel use

• Suitable for motor starting, stopping and reversing schemes (with proper wiring)

• Complies with IEC 60947-4-1 for low-voltage switchgear and controlgear

Technical Specifications 

Parameter	Value
Model	CJX1-75/22
Brand	Chint
Product Type	AC Power Contactor
Rated Operational Current (AC-3)	75 A
Number of Poles	3 Poles (3P)
Main Contact Configuration	3 NO (Normally Open)
Auxiliary Contacts	2 NO + 2 NC
Rated Insulation Voltage (Ui)	Up to 1000 V
Rated Operational Voltage (Ue)	Up to 380 V AC (AC-3 duty)
Coil Type	AC operational
Coil Voltage Options	24V, 36V, 48V, 110V, 220V, 380V AC (variant dependent)
Frequency	50 / 60 Hz
Mounting	Screw mounting and DIN rail mounting
Protection Class	IP00
Standards Compliance	IEC 60947-4-1
Typical Applications	Motor control, pumps, compressors, HVAC, automation
Approx. Dimensions (L × W × H)	~13 × 11 × 16 cm (approx.)
Approx. Weight	~1.40 kg (approx.)

Applications 

• Starting and stopping of three-phase induction motors

• Motor control centres (MCCs) and distribution panels

• HVAC and chiller control panels

• Pump, blower and compressor control circuits

• Industrial automation and machine control panels

• General-purpose remote switching of AC power circuits

What’s in the Box?

• 1 × Chint CJX1-75/22 AC Contactor (coil voltage as ordered)

• Integrated auxiliary contacts (2NO + 2NC)

• Product label with rating and terminal identification

• Basic manufacturer documentation/wiring references (if supplied)

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FAQ

Q1. What is the current rating of the CJX1-75/22 contactor?
A1. The CJX1-75/22 is rated 75A in AC-3 duty, suitable for three-phase motor loads and heavy-duty AC power switching.

Q2. How many poles and auxiliary contacts does it have?
A2. It has 3 main normally open (3NO) power poles and 2 NO + 2 NC auxiliary contacts, giving flexibility for interlocks, signalling, and control circuits.

Q3. Which coil voltages are available?
A3. The series supports several AC coil voltages, including 24V, 36V, 48V, 110V, 220V, and 380V AC, depending on the exact variant. You must specify the required coil voltage when ordering.

Q4. Can it be mounted on a DIN rail?
A4. Yes. It supports DIN rail mounting as well as screw mounting on panel backplates, making it suitable for most MCC and control panel designs.

Q5. Is it suitable for both 50 Hz and 60 Hz systems?
A5. Yes. The CJX1-75/22 operates correctly on 50 Hz and 60 Hz AC supplies.

Q6. What typical applications use CJX1-75/22?
A6. Typical uses include motor starters, pump and compressor control, HVAC systems, and general industrial automation panels.