QZJB400A Normally Closed DC Contactor

ملامس تيار مستمر مغلق عادة QZJB400A

Discover the QZJB400A Normally Closed DC Contactor for reliable electrical control. Ideal for various applications ensuring safety and efficiency in your projects

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نظرة عامة

FEATURES

The normally closed DC contactor is an important electrical component that plays a key role in controlling the flow of current in a DC circuit. Its unique operating design allows the circuit to remain closed when the power is removed, providing significant advantages in safety, fault protection and energy management. These contactors have a wide range of applications in various industries and are essential to ensure that electrical systems operate safely and reliably.

تداعيات نموذج سايون

QZJB	400A	-S	-□	-□	■	/□
1	2	3	4	5	6	7

1	نوع المنتج
2	التيار المقنن
3	Auxiliary switch: None-Without auxiliary switch; S-With auxiliary switch
4	Mounting bracket type: M-Horizontal (default)
5	Other function codes
6	Other special functions: V-With capacitive load
7	Coil rated voltage: 12V, 24V, 36V, 48V, 60V, 72V etc.

Uses

This product have one normally close contact, for 5G cabinet, telecommunication equipment, engineering machinery, car batteries, electric forklift trucks, trains, ships, electronic control systems such as uninterruptible power supply.

Technical Parameters: (Version 1.28)

نوع منتج سايون	QZJB400A
نموذج الاتصال	1 إن سي
Coil Rated voltage (DC V)	6V,12V,24V,36V,48V,60V,72V,96V etc.
Contact voltage (DC V)	≤150V
Rated load current of contact 48V circuit (A)	400A
Rate load current of contact circuit	≯80mV
The cooling pull-in voltage at (20±5)℃ (V)	≯70%
The cooling drop-out voltage at (20±5)℃ (V)	≯50%,≮5%
Working voltage range of 40℃ coil	0.8-1.2Us
Drop-out time (n/o contacts to open)	25ms
Pull-in time (n/o contacts to close)	15ms
Maximum bounce time for contact connection	10ms
Maximum bounce time for contact disconnection	3ms
Insulation resistance	٢٠ ميغاووم
المتانة الكهربائية للمقاومة	50 هرتز/60 هرتز 1000 فولت متردد 1 دقيقة
تيارات العطل النموذجية التي يمكن قطعها	1500A/5ms at 48V DC
Coil power (W)	Start: 35-65, Keep: 3-8
Temperature rise of coil (K)	≤40
Temperature rise on outgoing terminal (K)	≤65
Electrical life	٢٠,٠٠٠ مرة
حياة ميكانيكية	300,000 times
مواصفات العمل	مستمر
Contact material	Ag alloy
Load terminal type	M10 Screw
Coil terminal type	M3 Screw

Note:As regarding to the different using environments of customers which requires different focus of the functions,and in order to improve the comprehensive properties of our products,sayoon may adjust the coil parameters,temperature rise and so on. The above parameters are for reference only, For details, please refer to the guidelines for selection and use of the SAYOON DC contactor.

Load Characteristic Curve

Installation Diagram

Wiring Diagram

Temperature Curve

Mechanical Ability And Use Of The Environment

عزم ربط مسمار التلامس M10 (نيوتن.متر)	≯20.5 appropriate
Coil lead M3 tightening torque (N.m)	≯0.8 appropriate
درجة الحرارة المحيطة	-٢٥~+٧٠ درجة مئوية
الرطوبة النسبية	+20 درجة مئوية 98%
تردد الاهتزاز عند الوضع الثابت	3G، السعة 1 ~ 50 هرتز 0.5 مم
ارتجاج المخ	(٦٠ إلى ١٠٠) مرة/دقيقة، التسارع ≤ 4g
ارتفاع	٢٠٠٠ متر
إشادات التركيب	عشوائي
International Protection	IP40 (According IEC60947)

Order Instruction

نوع منتج سايون	QZJB400A
Mounting bracket type	M Horizontal (default)

When ordering, please state the following: name, full model, control coil voltage specification, installation frame type, whether with auxiliary contact, order quantity. For example: DC Contactor QZJB400A/24V 100pcs, indicating the load rated current 400A, without auxiliary contact, default mounting bracket, coil control voltage 24V purchase 100pcs. Special voltage specification products, such as user needs can be special order.