元则t73继电器原理图详解：
一、t73继电器基本特性Basic characteristics
1、 线圈参数Coil specification
(1) 额定电压Nominal voltage DC 12V
(2) 线圈阻抗Coil resistance 400Ω±10% (at 23±5℃)
(3) 额定电流Rated current DC 30mA±10% (at 23±5℃)
(4) 动作电压Operate voltage DC 9.0V Max ((at 23±5℃)
(5) 释放电压Release voltage DC 0.6V Min ((at 23±5℃)
(6) 电压Maximum voltage DC 15.6V(130% of nominal voltage)
(7) 线圈温升Coil temperature rise 50K Max (Coil:12V)
2、 t73继电器触点参数Contact Specification
(1) 触点型式Contact configuration SPST-NO (1 Form A)--单刀单掷（一组常开）
(2) 触点额定负载Contact rating 10A 250VAC/30VDC (Resistive load)
15A 125VAC(Resistive load)；TV-5（tungsten钨灯负载）
(3) 接触电阻Contact resistance Initial（初始值） 100 mΩ Max (At DC6V 1A)
(4) 动作时间Operate time 15ms Max
(5) 释放时间Release time 10ms Max
(6) 动作频率Maximum operating Mechanically 18000 cycle/h（机械）
frequency Electrically 600 cycle/h（电气）
(7) 触点温升Contact temperature rise 50K Max (Coil:12V;Contact:10A)
3、 t73继电器通用参数General Specification
(1) 绝缘阻抗Insulation resistance 1000MΩ Min (at DC500V)
(2) 电气强度Dielectric strength
触点间between open contacts 750VAC,50/60 HZ for 1Minute
线圈与触点间between contacts and coil 1500VAC,50/60 HZ for 1 Minute
(3) 环境温度Ambient temperature -40℃～+105℃
(Not freezing and condensing at low temperature)
(4) 相对湿度Relative Humidity 45% to 85% RH
(5) 电气寿命Electrical life perations Min (at 10A 250VAC/30VDC)
(6) 机械寿命Mechanical life operations Min
4、 t73继电器体系、安规认证和环保Quality System、Safety Certification and RoHS(REACH)
(1) UL certified File NO. E341498；
10A 250VAC； 15A 125VAC； TV-5
(2) TUV certified File No. R
10A 250VAC；10A 30VDC
(3) CQC certified File No. CQC
10A 250VAC；10A/6A 250VAC
(4) IScertified File NQ22581R0S
(5) RoHS and REACH Compliant
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