Products 磁保持继电器 DS908M 70A

产品特性:

70A触点分断能力 双路继电器 可长期可靠工作在电表电路中 小体积,可外接分流器,互感器 L N-N L 符合RoHS 符合IEC62055-31 UC2 (TUV)

适用范围:

适用于预付费电表及集中抄表系统,复合开关,无功补偿装置及其它自动化控制。双路继电器

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基本特性 Speciality:

线圈脉冲设置宽度Coil pulse width

50msec. Min

动作时间Operation time

20msec. Max

复归时间Comeback time

20msec. Max

介质耐压Dielectric strength

触点与线圈间:

Between coil& contact

4000VAC


断开触点间:

Between contacts

1800VAC

绝缘电阻Insulation resistance

Min.1000M (500VDC)

环境温度 Ambient temp

-40℃~+70℃

重量 Weight

78g

引出端方式 Quick connect

PCB&QC

封装形式  Plastic sealed dusted proof

塑封、防尘

外形尺寸不含输出端子Size(mm)

Output terminal (mm) not included in profile size

54*30*18


触点特性 Contact specification

触点形式 Contact form

2A  2B

触点材料Contact material

AgSnO2,

接触电阻Contact resistance 

1.5mΩ Max.(12VDC 1A)

额定负载Contact current(Cosφ=1)

70A  250VAC

最大断开电压MAX disconnection voltage

440VAC / 110VDC

最大断开功率MAX disconnection power

20000VA

额定负载电气寿命(阻性)Electrical life

1×104cycles

机械寿命Mechanical life

1×105cycles


线圈参数Coil specification:        

额定电压 

Rated Voltage (VDC)

                            电阻 Resisttance ±10%(Ω)

吸合/释放电压 Suction and 

Release Voltage (VDC)

单线圈Single
双线圈Dual
6
16
8*2


≤70%额定电压Rated Voltage

93618*2
125427*2
24256128*2

 

尺寸简图 及 安装尺寸 Installation Sizemm 

4eebf20db8d5ca7440bd992ac34352d.png

接线图 Connection Diagram 

10e54a62500e66dca9f829461c65217.png

注意事项 Application Notes

 

1. 所有继电器在出厂时都设为闭合状态。在装运或组装的过程中继电器可能会变成释放的状态。因而使用时(电源接入时)请根据需要重新将其设置为复归状态。

2. 为了使继电器保持在吸合或释放的状态,线圈电压需达到额定电压,为确保磁保持继电器动作或复归脉冲宽度小于50ms。不要向线圈上的Pin1和Pin2施加电压超过一分钟以上,以防线圈损坏。

3. 继电器有极性区分,用户需指明属于何种极性。

4. 继电器入厂检验及使用轻拿轻放,防止损坏影响参数,入厂做破坏性检查的产品要与正常产品严格区分标识,不得装机使用。

5. 非带铜绞线的继电器,负载引脚不能焊锡,引脚针刚性固定,不能随意扭动。

 

1. All the relays are shipped in the "operate" position because it is possible that during transit or final assembly the relay could change its state to the "release" position. please reset the relay into "operate" state when put in circuit according to need.

2. In order to maintain "operate" or "release" state of the relay, the coil voltage should reach the rated voltage. The pulse width should be 60ms or longer to ensure a proper change of state. Do not enegize both Pin1 and Pin2 at the same time on the coil for longer than 1 min (damage to the coil).

3. Relays are classified according to the polarity, if client need different form from information, please contact us.

4. The relay into the factory for destructive inspection should be protected from damage and strict distinction between the normal products.

5. Now with braided line relay, the load pin can not solder, not arbitrarily wrenched, two pins and righid fixation.

 

触点特性/Contact specification
参数 (Parameter) (Date)
触点材料(Contact material) AgSnO2 
接触电阻(Contact resistance)

Max.1.5mΩ(12VDC 1A)

额定负载((Contact currentt)70A / 250VAC
最大断开电压
(Max disconnection voltage)
440VAC/110VDC
最大断开功率
(Max disconnection power)
20000VA
电气寿命(Electrical life)10000 cycles
机械寿命(Mechanical life)100000 cycles
基本特性/Basic parameter
参数 (Parameter) (Date)
线圈脉冲设置宽(Coil pulse width)Min. 50ms
动作时间(Operation time)Max. 20ms
复归时间(Comeback time)Max. 20ms
介质耐压
(Dielectric strength)
触点与线圈间
(Between contact & coil)
4000VAC 1min
断开触点间
(Between contacts)
1800VAC 1min
绝缘电阻(Insulation resistance)1000MΩ(at 500VDC)
环境温度(Ambient temp)-40~+70℃
重量(Weight)78g


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