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SD2D-DC5V

更新时间： 2024-02-07 04:51:19
品牌 Logo 应用领域
NAIS 继电器
页数 文件大小 规格书
5页 245K
描述
POLARISED, MONOSTABLE SAFETY RELAY

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SD2D-DC5V 数据手册

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(pending)  
POLARISED, MONOSTABLE  
SAFETY RELAY  
SF-RELAYS  
Double contact  
FEATURES  
25.0  
.984  
• High contact reliability  
• Separated chamber structure (2 Form  
A 2 Form B, 4 Form A 4 Form B)  
N.O. and N.C. side contacts are put in  
each own space surrounded with a card  
and a body-separater.That prevents short  
circuit between contacts, which is caused  
by their springs welding or damaged.  
• High breakdown voltage 2,500 Vrms  
between contacts and coil  
53.3±0.3  
2.098±.012  
High contact reliability is achieved through  
the use of a double contact.  
• Forced operation contacts  
16.5±0.5  
.650±.020  
(2 Form A 2 Form B)  
N.O. and N.C. side contacts are  
connected through a card so that one  
interacts with the other in movement. In  
case of a contact welding, the other keeps  
a min. 0.5mm .020inch contact gap.  
• Independent operation contacts  
(4 Form A 4 Form B)  
There are 4 points of forced operation  
contacts.  
Each pair of contacts is free from the main  
armature and is independent from each  
other. So if a N.O. pair of contacts are  
welded, the other 3 N.O. contacts are not  
effected (operate properly) That enables  
to plan a circuit to detect welding or go  
back to the beginning condition.  
2 Form A 2 Form B  
33±0.5  
1.299±.020  
53.3±0.3  
2.098±.012  
• High sensitivity  
16.5±0.5  
.650±.020  
Realizes thin shape and high sensitivity  
(500 mW nominal operating power) by  
utilizing high-efficiency polarized  
magnetic circuit with 4-gap balanced  
armature.  
• Complies with safety standards  
Standard products are UL, CSA, TÜV and  
SEV certified. Comform to European  
standards. TÜV certified (945/EL, 178/  
88). Complies with SUVA European  
standard.  
4 Form A 4 Form B  
mm inch  
SPECIFICATIONS  
Contact  
Characteristics  
2 Form A  
2 Form B  
4 Form A  
4 Form B  
2 Form A  
2 Form B  
4 Form A  
4 Form B  
Contact arrangement  
Contact arrangement  
Initial contact resistance, max.  
(By voltage drop 6 V DC 1 A)  
Max. operating speed  
Initial insulation resistance*1  
180 cpm (at nominal voltage)  
Min. 1,000 MΩ at 500 V DC  
1,300 Vrms  
30 mΩ  
Contact material  
Gold-flashed silver alloy  
Between open contacts  
Initial  
Nominal switching  
capacity  
breakdown Between contact sets  
2,500 Vrms  
6 A 250 V AC, 6 A 30 V DC  
voltage*2  
Between contact and coil  
2,500 Vrms  
Rating  
(resistive)  
Max. switching power  
1,500 VA, 180 W  
Operate time*3 (at nominal voltage)  
Release time (without diode)*3  
(at nominal voltage)  
Approx. 17 ms Approx. 18 ms  
Max. switching voltage  
440 V AC, 30 V DC  
Approx. 7 ms Approx. 6 ms  
Max. carrying current  
6 A  
107  
Expected  
life (min.  
operations)  
Mechanical (at 180 cpm)  
Electrical (at 20 cpm)  
Max. 45°C  
with nominal coil voltage and  
at 6 A carry current  
Temperature rise (at nominal voltage)  
(at 20°C)  
105  
Functional*4  
Shock resistance  
Min. 294 m/s2 {30 G}  
Min. 980 m/s2 {100 G}  
Coil  
Destructive*5  
Nominal operating power  
500 mW  
10 to 55 Hz at double  
amplitude of 2 mm  
Remarks  
Functional*6  
Vibration resistance  
* Specifications will vary with foreign standards certification ratings.  
*1 Measurement at same location as “Initial breakdown voltage” section  
*2 Detection current: 10mA  
10 to 55 Hz at double  
amplitude of 2 mm  
Destructive  
*3 Excluding contact bounce time  
*4 Half-wave pulse of sine wave: 11ms; detection time: 10µs  
*5 Half-wave pulse of sine wave: 6ms  
Conditions for operation,  
Ambient  
–40°C to +70°C  
–40°F to +158°F  
transport and storage*7 (Not temp.  
freezing and condensing at  
*6 Detection time: 10µs  
*7 Refer to 6. Usage, transport and storage mentioned in NOTES  
Humidity  
5 to 85% R.H.  
low temperature)  
Approx.  
38 g 1.34 oz  
Approx.  
47 g 1.66 oz  
Unit weight  
4
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