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参数资料
| 型号： | MRA112-A |
| 厂商： | NKK Switches |
| 文件页数： | 1/6页 |
| 文件大小： | 0K |
| 描述： | SW ROTARY SP 2-12POS BLK KNOB PC |
| 产品培训模块： | Switch Basics |
| RoHS指令信息： | Series, Cert of Compliance |
| 产品目录绘图： | MRA Series |
| 标准包装： | 1 |
| 系列： | MR |
| 位置数： | 2 ~ 12 |
| 层数： | 1 |
| 每层电极数： | 1 |
| 每层电路： | 单刀十二掷 |
| 触点额定电压： | 0.25A @ 125VAC |
| 触动器类型： | 旋钮 |
| 安装类型： | 面板，PCB 通孔 |
| 端接类型： | PC 引脚 |
| 方向： | 垂直 |
| 摆角： | 30° |
| 产品目录页面： | 2558 (CN2011-ZH PDF) |
| 相关产品： | 360-2416-ND - SWITCH KNOB LARGE ROTARY RED 360-2415-ND - SWITCH KNOB LARGE ROTARY WHITE 360-2411-ND - SWITCH KNOB SMALL ROTARY BLACK 360-2412-ND - SWITCH KNOB SMALL ROTARY WHITE 360-2414-ND - SWITCH KNOB LARGE ROTARY BLACK 360-2413-ND - SWITCH KNOB SMALL ROTARY RED 360-2410-ND - SWITCH MINI KNOB BLCK FR/MR SER AT507M-ND - RING LOCKING METRIC M6 |
| 其它名称： | 360-2368 MRA112-A-RO MRA112-A-RO-ND |
Series MR
Half-Inch Diameter Process Sealed Rotaries
General Specifications
Electrical Capacity (Resistive Load)
For MRA: 250mA @ 125V AC
For MRF or MRK:
Other Ratings
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Range of Operating Torque:
Contact Timing:
Indexing:
0.4VA maximum @ 28V AC/DC maximum
(Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V)
Note: Find additional explanation of operating range in Supplement section.
10 milliohms maximum for MRA; 50 milliohms maximum for MRF & MRK
100 megohms minimum @ 500V DC
1,000V AC minimum for 1 minute minimum for MRA
500V AC minimum for 1 minute minimum for MRF & MRK
30,000 operations minimum
10,000 operations minimum
0.02 ~ 0.07Nm for MRA; 0.005 ~ 0.02Nm for MRF & MRK
Nonshorting (break-before-make)
MRA – self-cleaning, sliding contact; MRF & MRK – self-cleaning, rotary contactor disk
30°
Materials & Finishes
Shaft:
Brass with nickel plating
G
Stopper Plate:
Bushing/Housing:
Movable Contacts:
End Contacts & Terminals:
Common Contacts & Terminals:
Base:
Environmental Data
Operating Temperature Range:
Humidity:
Vibration:
Shock:
Sealing:
Steel with zinc plating for MRA & MRK; polyamide cover with stopper for MRF
Zinc alloy with zinc plating
Copper with silver plating for MRA; phosphor bronze with gold plating for MRF & MRK
Brass with silver plating for MRA; phosphor bronze with gold plating for MRF & MRK
Brass with silver plating for MRA; phosphor bronze with gold plating for MRF & MRK
Diallyl phthalate for MRA; fiberglass reinforced polyamide for MRF & MRK
–10°C through +70°C (+14°F through +158°F)
90 ~ 95% humidity for 96 hours @ 40°C (104°F)
10 ~ 55Hz with peak-to-peak amplitude of 1.5mm traversing the frequency range & returning
in 1 minute; 3 right angled directions for 2 hours
50G (490m/s 2 ) acceleration (tested in 3 right angled directions, with 3 shocks in each direction)
MRK model meets IP67 of IEC60529 standards
Installation
Mounting Torque:
.686Nm (6.08 l b ? in)
Cap Installation Force:
Processing
Soldering Time & Temperature:
Cleaning:
Standards & Certifications
G16
19.6 ~ 29.4N (4.41 ~ 6.61 lbf) for MRA & MRK
Wave Soldering for MRA: See Profile A in Supplement section.
Wave Soldering for MRF & MRK: See Profile B in Supplement section.
Manual Soldering for MRA: See Profile A in Supplement section.
Manual Soldering for MRF & MRK: See Profile B in Supplement section.
Automated cleaning recommended. Stopper plate, as well as washers for MRA & MRK, must be in
place to maintain automated cleaning. See Cleaning specifications in Supplement section.
MRA, MRF, & MRK models have not been tested for UL recognition or CSA certification.
These switches are designed for use in a low-voltage, low-current, logic-level circuit.
When used as intended in a logic-level circuit, the results do not produce hazardous energy.
www.nkk.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MRA112-AA | 制造商:NKK 制造商全称:Nihon Kaiheiki Industry Co. Ltd. 功能描述:Half-Inch Diameter Process Sealed Rotaries |
| MRA112-AB | 制造商:NKK 制造商全称:Nihon Kaiheiki Industry Co. Ltd. 功能描述:Half-Inch Diameter Process Sealed Rotaries |
| MRA112-AC | 制造商:NKK 制造商全称:Nihon Kaiheiki Industry Co. Ltd. 功能描述:Half-Inch Diameter Process Sealed Rotaries |
| MRA112-AE | 制造商:NKK 制造商全称:Nihon Kaiheiki Industry Co. Ltd. 功能描述:Half-Inch Diameter Process Sealed Rotaries |
| MRA112-AF | 制造商:NKK 制造商全称:Nihon Kaiheiki Industry Co. Ltd. 功能描述:Half-Inch Diameter Process Sealed Rotaries |
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