개요

주요 기능

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.

사요온 모델 시사점

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

1	제품 유형
2	정격 전류
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- 2절 고정 자기 유지 (단일 코일, 2절 자기 잠금); 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	없음: 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	코일 정격 전압: 12V, 24V, 48V, 9-36V, 48-72V etc.

용도

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)

사요온 제품 유형	SEV250AH
문의하기	1 NO(SPST-NO) or 1NC(SPST-NC)
코일 정격 전압 (DC V)	12-24V, 36-48V, 60-72V, 9-36V etc.
접촉 전압 (DC V)	5-1000V
Contact circuit rated load current (DC-1)	250A
100A당 전형적인 접점 간 전압 강하	80mV 초과
(20±5)℃에서의 복귀 전압 (V)	≯70%
(20±5)℃에서의 복귀 전압 (V)	≯35%,≮5%
Working voltage range of 40℃ coil	0.8-1.2마이크로초
드롭아웃 시간(접점이 개방될 때까지의 무접점 시간)	80ms
동작 시간 (상시개방 접점이 닫히기까지)	20ms
접촉 연결의 최대 바운스 시간	10ms
접점 개방 시 최대 바운스 시간	7ms
절연저항	100MΩ
저항하는 전기적 강도	50Hz/60Hz 2200VAC 1minute
차단 가능한 일반적인 고장 전류	1000A/5ms at 48V DC
코일 전력 (W)	H: Start 30-50, Keep 1.5-5
코일의 온도 상승 (K)	≤45
인출 단자 온도 상승 (K)	≤65
전기적 삶	2만 번
기계 생명체	30만 번
작업 사양서	연속적인
접촉 재질	Alloy
돌입 시간 (최대)	130ms
Maximum switching current	2000A 320VDC (more than once)
Maximum switching power	640kW
터미널 유형 로드	M8 Screw
코일 단자 타입	0.3 square silicone wire, 390mm long
보조 접점 정격 부하 (선택 사항)	3A/30VDC
시험 기관 인증	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.

부하 특성 곡선

설치도

배선도

COIL TEMPERATURE CURVE

기계적 능력과 환경 이용

Contact lead M8 tightening torque (N.m)	9.0 초과가 적절함
Coil lead mode	Wire dipping tin (red positive and black negative)
주위 온도	-40~+85℃
상대습도	+20℃ 98%
고정 위치에서의 진동 주파수	3G, 1~50Hz 진폭 0.5mm
뇌진탕	(60~100)회/분, 가속도≤4g
고도	2000m
설치 방향	무작위
국제 보호	IP68

주문 지침

사요온 제품 유형	SEV250AH
U.N.W.	409g
마운팅 브래킷 형식	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.