MJ-精密防油限位开关/Precision oil-tight limit switchs

MJ-7303
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◆    功能

1.      可配合不同的连杆及头

2.      具多种使用特性曲线

3.      接线头具帽式附盖螺丝

4.      防尘、防油、防水

5.      不锈钢主零件

6.      规格尺寸标准化

7.      适用温度 + 15℉ to +175℉(-10℃ to +80℃)

所有密闭式开关都是双回路限制开关,1NO(常开)与1NC(常闭)回路,各回路接点俱为两段式绝缘

◆    额定

10A

125 or 300V AC(resistive)

0.8A

125V DC(resistive)

0.4A

250V DC

1/2HP

125V AC

1HP

250V AC

◆    特性

操作速度

1mm to 2m/sec

操作频度

Mechanically: 120 operations/min.

Electrically: 30 operations/min.

接触电阻

15m Ω max. (initial)

绝缘电阻

100M Ω min.(at 500VDC)

耐电压

1000 VAC,50/60 Hz for 1 minute between non-continuous terminals

2200 VAC, 50/60 Hz for 1 minute between each terminal and non-current-carrying metal part and between each terminal and ground

振动

Malfunction durability: 10 to 55Hz 1.5mm double amplitude

冲击

Mechanical durability:Approx.1000m/sec2(approx. 100G’s)

Mechanical durability:Approx. 300m/sec2(approx. 30 G’s)

操作温度

Operating:-10℃ to + 80℃

湿度

95% RH max

使用寿命

Mechanically: 15,000,000 operations min

Electrically:(2.5A,110V AC) MAX 500,000 operations min.

保护等级

IEC 529 class IP65(Sealed accessories requirement)

 

◆    购买指南

1.      标准型 ～ 两个螺丝孔盖:

MJ-7301

MJ-7302

MJ-7302R

MJ-7303

MJ-7304

MJ-7306

MJ-7326

MJ-3341

MJ-3342

MJ-3343

MJ-3344

MJ-7307

MJ-7307L

MJ-7308

MJ-7404

MJ-7407

MJ-7407L

MJ-7408

MJ-7001N

 

 

 

2.      塑料滚轮(订制品):

MJ-7304-P

MJ-7404-P

MJ-7308-P

MJ-7408-P

 

3.      ψ50mm 橡胶滚轮(订制品):

MJ-7304-26

MJ-7404-26

MJ-7308-26

MJ-7408-26

 

4.      金属滚轮(订制品):

MJ-3341-M

MJ-3342-M

MJ-3343-M

MJ-3344-M

 

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