Panoramica

FEATURES

Suitable for electric forklift, battery cars, tractors, excavators, brick machine, cleaning vehicles, automotive air-conditioning, communication power supply, uninterruptible power supply, and electroplating electronic control system control circuits. Advantages include compact size, large load capacity, long service life and easy maintenance. Products are designed with reference to JB2286-78, JB3974-85, YD/585-92 and YD/T512-92 requirements.

IMPLICAZIONE DEL MODELLO SAYOON

MZJ	-300B	-S	-□	-□	/□
1	2	3	4	5	6

1	Tipo di prodotto
2	Corrente nominale
3	Auxiliary switch: None-Without auxiliary switch; S-With auxiliary switch
4	Mounting bracket type: None-M Horizontal (default); E-Level embedded; X-Oblique; L(N)-Vertical; E1-Level embedded single direction
5	Other function codes
6	Coil rated voltage: 12V, 24V, 36V, 48V, 60V, 72V etc.

UTILIZZI

This product has one normally closed contact (1 NC), for electric vehicles, telecommunication equipment, engineering machinery, car batteries, electric forklift trucks, trains, ships, and electronic control systems such as uninterruptible power supply.

TECHNICAL PARAMETERS: (Version 1.83)

Tipo di prodotto SAYOON	MZJ-300B
Modulo di contatto	1 NC
Coil Rated voltage (DC V)	6V,12V,24V,36V,48V,60V,72V,84V,120V,150V,220V etc.
Contact voltage (DC V)	≤60V
Rated load current of contact 48V circuit (DC-1)	300A
Caduta di tensione tipica ai capi dei contatti per 100A	≤80mV
The cooling pull-in voltage at (20±5)℃ (V)	≤70%
The cooling drop-out voltage at (20±5)℃ (V)	≤35%, ≥5%
Working voltage range of 40℃ coil	0.8-1.2Us
Drop-out time (n/o contacts to open)	10ms
Pull-in time (n/o contacts to close)	20ms
Maximum bounce time for contact connection	10ms
Maximum bounce time for contact disconnection	3ms
Insulation resistance	20 MΩ
Resistenza elettrica	50Hz/60Hz 1000VAC 1 minuto
Correnti di guasto tipiche che possono essere interrotte	1000A/5ms a 48V/CC
Coil power (W)	7-15
Temperature rise of coil (K)	≤80
Temperature rise on outgoing terminal (K)	≤65
Vita elettrica	20.000 volte
Vita meccanica	300,000 times
Specifica di lavoro	Continuo
Contact material	Ag alloy
Load terminal type	M8 Screw
Coil terminal type	M4 Screw
Carico nominale del contatto ausiliario (opzionale)	2A/48VDC, 5A/24VDC，1NO 1NC
Testing organization certification	CE,FCC,RoHS

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:

Contact lead M8 tightening torque (N.m)	≯9,0 appropriato
Coil lead M4 tightening torque (N.m)	≯1.2 appropriate
Temperatura ambiente	-25~+70℃
Umidità relativa	+20 °C 98%
Frequenza di vibrazione nella posizione fissa	3G, ampiezza 1-50 Hz 0,5 mm
Shock	(60～100) times/minute, acceleration≤4g
Altitudine	2000m
Direzione di installazione	Casuale
International Protection	IP40 (According IEC60947)

ORDER INSTRUCTION:

Tipo di prodotto SAYOON	SZJB300A-D
U.N.W.	530g
U.G.W.	535g
Qtà confezione.	50pcs
DIM.(cm)	46.520.534.5
Mounting bracket type	None – M Horizontal(default), E Level Embedded, X Oblique, L (N) Vertical, E1 Level embedded single direction

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 SZJB300A-D/24V 100pcs, indicating the load rated current 300A, without auxiliary contact, default mounting bracket, coil control voltage 24V purchase 100pcs. Special voltage specification products, such as user needs can be special order.