OEM CJX1 (3TB) Series AC Contactors 9-400A 380V AC-3 Factories, Company

1 / 5

OEM CJX1 (3TB) Series AC Contactors 9-400A 380V AC-3 Factories, Company

Optimize your electrical infrastructure with the CJX1 (3TB) Series AC Contactor. This device provides reliable control for AC motors and heavy-duty loads. It features a rated operational current capacity of 9A to 400A at 380V (AC-3). The unit supports 50/60Hz frequencies and withstands rated voltages of 690-1000V. Ideal for frequent switching operations, it handles reversing control and circuit interruption efficiently. Manufacturers trust this series for its adherence to international quality benchmarks, including IEC 947, VDE 0660, and GB 14048 specifications.

Send Inquiry

Product Description

Operating Conditions

1. The altitude of the site of installation does not exceed 2000 meters above sea level;

2. The ambient air temperature: -25~+55℃;

3. Relative humidity does not exceed 50% at +40℃ and 90% at +25℃;

4. Atmospheric conditions: the air does not contain any explosive medium, corrosive gases and conductive dust;

5. Never be shocked and vibrate obviously;

6. Never be wetted by rain and snow.

Technical Parameters

Type			CJX1-9 3TB40	CJX1-12 3TB41	CJX1-16 3TB42		CJX1-22 3TB43	CJX1-32 3TB44
Rated insulation voltage (V)			660	660	660		660	660
Rated operational current (380V) (A)		AC-3	9	12	16		22	32
		AC-4	3.3	4.3	7.7		8.5	15.6
Rated outputs of three-phase motors at 50Hz (KW)	AC-3	230/220V 400/380V 500V 690/660V 1000V	2.4 4 5.5 5.5 -	3.3 5.5 7.5 7.5 -	4 7.5 10 11 -		6.1 11 11 11 -	8.5 15 21 23 -
	AC-4	400/380V 690/660V	1.4 2.4	1.9 3.3	3.5 6		4 6.6	7.5 13
Mechanical endurance (×10⁶)			10	10	10		10	10
Electrical endurance (×10⁶)		AC-3	1.0	1.0	1.0		1.0	1.0
		AC-4	0.2	0.2	0.2		0.2	0.2
Switching frequency (1/h)		AC-3	1000	1000	750		750	750
		AC-4	250	250	250		250	250
Coil voltage tolerance			(0.8～1.1) Us
Power consumption of coil (50Hz) (AC)	Closed (VA)		10	10	10		10	10
	Power Factor (p.f.)		0.29	0.29	0.29		0.29	0.29
	Closing (VA)		68	68	68		68	68
	Power Factor (p.f.)		0.82	0.82	0.82		0.82	0.82
Conventional thermal current (A)			20	20	30		30	45
Conventional thermal current of auxiliary contacts (A)			10	10	10		10	10
Rated operational current of auxiliary contacts (A)		AC-15 380/220V	6-10	6-10	6-10		6-10	4-6
Weight (kg)			0.43	0.43	0.49		0.49	0.7
Order No. suffixes for rated control voltages for coils (AC) 3TF40…-0X□□ 3TF44…-0X□□			Coil for 50Hz AC V			Coil for 50Hz/60Hz AC V
			24 B0 42 D0 110 F0 220 M0 230 U0 380 Q0			24 C1 42 D1 110 G1 220 P1 240 R1

Product Display

3TB40-3TB44 Outline and Installation Dimension

Type	a	b	c	d	e	f	g
3TB40, 3TB41	79	60	46	35	*90 106	7.5	Φ5
3TB42, 3TB43	89	75	46	35	116	8	Φ5
3TB44	90	75	74	50	109	8	Φ5

* Size 90 is suitable for 3TB4010, 3TB4001, 3TB4110, 3TB4101
Size 106 is suitable for 3TB4011, 3TB4022, 3TB4111, 3TB4122

Permissible Mounting Position

The contactors are designed for operation on vertical mounting surface.

Frequently Asked Questions

What is the rated insulation voltage for the 3TB series contactors?

The rated insulation voltage (Ui) for CJX1 (3TB40 through 3TB44) contactors is 660V across all models.

What are the ambient temperature requirements for operation?

The units operate safely within an ambient air temperature range of -25°C to +55°C.

What is the permissible installation position for these contactors?

These contactors are specifically designed and certified for operation mounted on a vertical mounting surface.

What is the mechanical endurance rating of the 3TB contactors?

The contactors feature high operational reliability with a mechanical endurance rating of 10 × 10⁶ operations.

Can these contactors be installed at high altitudes?

Yes, standard installations support an altitude of up to 2000 meters above sea level without performance derating.

OEM CJX1 (3TB) Series AC Contactors 9-400A 380V AC-3 Factories, Company

Product Description

Operating Conditions

Technical Parameters

Product Display

3TB40-3TB44 Outline and Installation Dimension

Permissible Mounting Position

Frequently Asked Questions

Related Products

ODM Single phase small electrical fire-resistant current limiting protector Supplier, Companies

China Electrical Fire Current-Limiting Protector - Economical Type Manufacturer, Companies

Wholesale Miniature Single-Phase Current-Limiting Protector with LCD Screen 220VAC Manufacturers, Factories

Wholesale 160A Three-Phase Molded Case Fire Protection Limiter Factory, Company

Wholesale 80A Three-Phase Intelligent Electrical Fire Current-Limiting Protector Manufacturers, Companies

ODM 250A three phase electrical fire prevention current limiting protector Manufacturers, Factories

Wholesale 80/125A Economic Three-phase Current-limiting Protector Manufacturer, Company

High-Quality Mingri Current-limiting Protector System Main Unit Manufacturers, Factory

OEM CJX2 (LC1-D) Series AC Contactor 50/60Hz Suppliers, Manufacturers

China CJX2-F Series AC Contactor for Motor Control Suppliers, Manufacturer