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參數(shù)資料
| 型號(hào)： | SF2 |
| 英文描述： | CONNECTEUR SUB-D |
| 中文描述： | 極化，單穩(wěn)態(tài)與安全繼電器（機(jī)械連接）強(qiáng)迫接觸行動(dòng) |
| 文件頁(yè)數(shù)： | 5/7頁(yè) |
| 文件大?。?/td> | 338K |
| 代理商： | SF2 |
262
SF
If the two form “a” contacts (Nos. 2 and 4) weld, the armature becomes non-operational and the gap between the two form "b"
contacts is maintained at greater than 0.5 mm
.020 inch
. Reliable isolation is thus ensured.
Form “a” Contact Weld
If the No. 2 contact welds.
Each of the two form "b" contacts (Nos. 1 and 3)
maintains a gap of greater than 0.5 mm
.020 inch
.
No.4
No.3
No.1
No.2
Energized
No.4
No.3
No.1
No.2
Non-energized (when no. 2 contact is welded)
No.4
No.3
No.1
No.2
Contact No.
Terminal No.
No.1
11–12
No.2
7–8
No.3
5–6
No.4
9–10
State of other contacts
1
2
>0.5
>0.5
>0.5
>0.5
3
4
Welded
terminal
No.
1
2
3
4
>0.5
>0.5
>0.5
>0.5
Note: Contact gaps are shown at the initial state.
If the contacts change state owing to loading/breaking
it is necessary to check the actual loading.
>0.5: contact gap is kept at min. 0.5 mm
.020 inch
Empty cells: either closed or open
Contact No.
Contact No.
The table below shows the state of the other contacts when the current through the welded form “a” contact is 0 V and the rated
voltage is applied through the form “b” contact.
Contact Operation Table
1) 2a2b Type
If the form “b” contacts (Nos. 1 and 3) weld, the armature becomes non-operational and the contact gap of the two form “a” contacts
is maintained at greater than 0.5 mm
.020 inch
. Reliable isolation is thus ensured.
Form “b” Contact Weld
If the No. 1 contact welds.
A gap of greater than 0.5 mm
.020 inch
is main-
tained at each of the two form "a" contacts (Nos.
2 and 4).
No.4
No.3
No.1
No.2
Non-energized
No.4
No.3
No.1
No.2
Energized (when no. 1 contact is welded)
THE OPERATION OF SF RELAYS (when contacts are welded)
SF relays work to maintain a normal operating state even when overloading or short-circuit currents occur. It is also easy to include
weld detection circuits and safety circuits in the design to ensure safety even if contacts weld.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SF2-DC12V | CONNECTOR SUB D |
| SF2-DC18V | ACCESSORY SKIRT CONTROL BUTTON |
| SF2-DC21V | COVER - CABLE GRIP |
| SF2-DC24V | POLARISED, MONOSTABLE SAFETY RELAY with (mechanical linked) forced contacts operation |
| SF2-DC36V | POLARISED, MONOSTABLE SAFETY RELAY with (mechanical linked) forced contacts operation |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SF-2 | 制造商:RIEDON 制造商全稱:Riedon Powertron 功能描述:Surface Mount / Precision Metal Film Resistors |
| SF2..SG | 制造商:NUPLA 功能描述:NUPLA POWERDRIVE HAMMER S/GRIP 2LB 50MM |
| SF-2_13 | 制造商:RIEDON 制造商全稱:Riedon Powertron 功能描述:Surface Mount / Precision Metal Film Resistors |
| SF20 20 | 制造商:3M Electronic Products Division 功能描述:CYANOACRYLATE ADHESIVE, BOTTLE, 20G, Adhesive Type:Cyanoacrylate, Adhesive Appli |
| SF200 3/4-100 WHITE | 制造商:MANHATTEN 功能描述:FIBER GLASS SILICON RUBBER COATED SLEEVING . |
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