Overzicht

KENMERKEN

1. DC high-voltage power supply: The product is filled with rare mixed gases and has excellent arc cooling capabilities to ensure safe operation in high-voltage environments.

2. Control load capability: Supports loads from 30A to 1000A, and the operating voltage range is 5-1000VDC, adapting to a variety of application needs.

3. Safety: Using an insulating structure, it can work safely in flammable or hazardous environments. The coils and contacts will not be oxidized or contaminated, ensuring the long-term stability of the equipment.

4. Small and lightweight: Compared with similar products, it is smaller, lighter, and consumes less power, making it easy to install and use.

This product complies with JB2286-78, JB3974-85, YD/585-92, YD/T512-92 and other standard requirements. It has been inspected by the factory and relevant testing units to ensure that it meets the standard specifications. Users can use it with confidence and meet the maximum satisfaction for a long time. User needs, reliable quality.

Application areas

– Electric vehicles

– Solar power generation system

– Energy storage system

– Industrial automation equipment

– Ships and rail transportation

The SEV250AH high-voltage epoxy resin sealed DC contactor is an ideal choice for your high-voltage applications. With its excellent performance and reliability, it helps your equipment operate efficiently and safely.

SAYOON-MODELIMPLICATIE

SEV	250	A	H	X	L	-□	■	/12V
1	2	3	4	5	6	7	8	9

1	Producttype
2	Nominale stroom
3	Circuit structure: A-Normally open; B-Normally closed; F-Normally open with one auxiliary switch (the auxiliary switch and main contact have the same structure); G-One normally closed with one auxiliary (auxiliary switch and main contact have the same structure). (for other auxiliary switch structures, add 2 or 3 numbers after the model to describe the auxiliary switch structure)
4	Coil type: D-Single coil; H-With coil economizer; K- Twee-gewricht magnetische retentie (Enkele spoel, Twee-gewricht zelfborgend); 2K-Three joint magnetic retention (Double coil, Three joint self-locking); P-Signal control
5	Coil outgoing mode: X-Wire (390mm); P-Spade terminals (4.8); W-Thread (M4); O-Other
6	Mounting bracket type: L-Vertical (default)
7	Geen: Auxiliary switch and main contact have the same structure (default); -2: The structure of auxiliary switch and main contact is opposite; -3: Special auxiliary switch structure
8	Other special functions: V-With capacitive type load; N-No polarity
9	Nominale spoelspanning: 12V, 24V, 48V, 9-36V, 48-72V etc.

GEBRUIKT

The utility model has the advantages that the utility model is provided with one normally open contact, which is suitable for charging piles, electric four wheeled vehicles, new energy vehicles, energy saving and environmental protection systems, road traffic lighting systems, programmable power supply and uninterruptible power supply equipment.

TECHNICAL PARAMETERS: (Version 2.82)

SAYOON-producttype	SEV250AH
Contactformulier	1 NO(SPST-NO) or 1NC(SPST-NC)
Nominale spoelspanning (DC V)	12-24V, 36-48V, 60-72V, 9-36V etc.
Contactspanning (DC V)	5-1000V
Contact circuit rated load current (DC-1)	250A
Typische spanningsval over contacten per 100A	>80mV
De afvaltrekspanning bij (20±5)℃ (V)	≯70%
De afvaltspanning bij (20±5)℃ (V)	≯35%,≮5%
Working voltage range of 40℃ coil	0,8-1,2 us
Afvaltijd (maakcontacten)	80ms
Aantrektijd (maakcontacten sluiten)	20ms
Maximale dachttijd voor contactverbinding	10 ms
Maximale derteltijd voor contactverbreking	7ms
Isolatieweerstand	100MΩ
Elektrische sterkte om te weerstaan	50Hz/60Hz 2200VAC 1minute
Typische te onderbreken foutstromen	1000A/5ms at 48V DC
Spoelvermogen (W)	H: Start 30-50, Keep 1.5-5
Temperatuurstijging van de spoel (K)	≤45
Temperatuurstijging op uitgaande klem (K)	≤65
Elektrisch leven	20.000 keer
Mechanisch leven	300.000 keer
Werkomschrijving	Continu
Contactmateriaal	Alloy
Inschakelstroomtijd (max)	130ms
Maximum switching current	2000A 320VDC (more than once)
Maximum switching power	640kW
Laad terminaltype	M8-schroef
Spoelaansluiting type	0.3 square silicone wire, 390mm long
Nominale belasting hulpcontact (optioneel)	3A/30VDC
Certificering van testorganisaties	CCC, 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.

BELASTINGSKROMME

INSTALLATIEDIAGRAM

BEDRADINGSSCHEMA

COIL TEMPERATURE CURVE

MECHANISCH VERMOGEN en GEBRUIK van de OMGEVING

Aandraaimoment contactstift M8 (N.m)	≯9,0 passend
Coil lead mode	Wire dipping tin (red positive and black negative)
Omgevingstemperatuur	-40~+85℃
Relatieve vochtigheid	+20 ℃ 98%
Trillingsfrequentie op de vaste positie	3G, 1–50Hz amplitude 0,5mm
Hersenschudding	(60～100) slagen/minuut, versnelling ≤ 4g
Hoogte	2000m
Installatierichting	Willekeurig
International Protection	IP68

BESTELINSTRUCTIE

SAYOON-producttype	SEV250AH
U.N.W.	409g
Montagebeugel type	L Vertical(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: HV DC Contactor SEV200AH-□-□/24V 100pcs, indicating the load rated current 200A, without auxiliary contact, default mounting bracket, coil control voltage 24V purchase 100pcs. Special voltage specification products, such as user needs can be special order.