NXCQ AC Contactor (Mechanical Emergency Start Device)

Product category:: AC Contactor
Product code:: P-397
Model:

Function & Use (Application Scenarios)

Motor control and protection devices, AC contactor products are mainly applicable to fire water supply systems designed specifically, with the function of manual mechanical emergency start of fire pumps, in compliance with GB/T50974-2014 Technical Code for Fire Water Supply and Hydrant Systems

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Product highlights

Reliable protection level
Engineering Application Compatibility
Stable and reliable operation
Easy system integration

Model

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Main Product Parameters

CategorySwitchgearSecondary CategoryAC contactor

Product details

Function and Usage

The NXCQ AC contactor (mechanical emergency start device) is a product specifically developed for fire water supply systems, with the function of manually starting the fire pump mechanically, and it complies with the requirements for manual mechanical emergency start functions in GB/T 50974-2014 "Technical Code for Fire Water Supply and Fire Hydrant Systems".

Detailed Parameters

Parameter Category	Parameter Item	Parameter Value
Product Model	NXCQ	38, 65, 100, 225, 400
Rated Operating Current (A)		25, 32, 38, 40, 50, 65, 75, 85, 100, 120, 160, 185, 225, 265, 330, 400
Agreed Free Air Heating Current Ith(A)		40, 50, 50, 60, 80, 80, 90, 100, 110, 200, 200, 275, 275, 315, 380, 450
Rated Insulation Voltage Ui (V)		690
Rated Impulse Withstand Voltage Uimp (kV)		6
Rated Make Capacity	Make Current: 10×le (AC-3) or 12×(AC-4)
Rated Break Capacity	Break Current: 8×le (AC-3) or 10×(AC-4)
Rated Operating Current le(A)	AC-3 380V/400V	25, 32, 38, 40, 50, 65, 75, 85, 100, 120, 160, 185, 225, 265, 330, 400
	AC-4 380V/400V	25, 32, 32, 40, 50, 65, 75, 85, 100, 120, 160, 160, 185, 265, 330, 330
Rated Control Power	AC-3 Electrical Life (times 10,000)	120, 100, 80, 120, 80
	AC-3 Electrical Life (times 10,000)	11, 15, 18.5, 18.5, 22, 30, 37, 37, 45, 55, 75, 90, 110, 132, 160, 200
Contactor Mechanical Life (times 10,000)		1000, 900, 650, 600, 600
Mechanical Life of Manual Operation Mechanism (times)		>3000
Main Contact Structure Form		3 Normally Open
Number of Built-in Auxiliary Contacts	1 Normally Open 1 Normally Closed	2 Normally Open 2 Normally Closed
Main Circuit Wiring	Soft Wire	1 Wire 1.5~10, 6~25, 10~35, 10~150, 50~240
		2 Wires 1.5~6, 4~10, 6~16, 1~75, /
	Hard Wire	1 Wire 1.5~10, 6~25, 10~35, 10~150, 50~240
		2 Wires 1.5~6, 4~10, 6~16, 10~75, 50~240
Size of Tightening Screws	M4, M8, M8, M6, M8, M10, M10
Tightening Torque (N·m)		1.2, 6, 6, 10, 14, 14
Control Circuit Wiring	Soft Wire	1 Wire 1~4, 2 Wires 1~4
		2 Wires 1~4, 2 Wires 1~4
	Hard Wire	1 Wire 1~4, 2 Wires 1~4
Size of Tightening Screws	M3.5
Tightening Torque (N·m)		0.8
Coil Control Power Supply	AC 50Hz	220 (other voltages require customization)
Action Range	Engagement	(70%~ 120%) Us, (75%~ 120%) Us
	Release	(20%~65%) Us, (20%~70%) Us
Average Power Consumption of Coil (VA)	Start	50~70, 160~210, 190~250, 500, 600
	Hold	11.4, 17~25, 17~30, 50, 11
Thermal Loss (W)	AC	1~3, 4~8, 6~10, 30~50, 3~6

Requirement confirmation

Application, rating, quantity and drawings are checked first.

Factory matching

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Order transaction

Confirm commercial terms, sign the commercial contract, and confirm the related document checklist.

Shipment control

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