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Features
• Polymer PTC body, small compact size • Resettable switching device • Low current loss due to low resistance in normal use • Protection against overcurrent and short circuit The PolySwitch device is a resettable switching device made from a polymer blend. The mode of action is based on the PTC effect. In standard use, the resistance of the PolySwitch device is very low so that only a small power loss arises. In the event of an error, e.g. short-circuit or overcurrent, the resistance value of this device increases and protects the equipment. After eliminating the error and switching off the supply voltage, the PolySwitch device quickly returns to a low impedance state.
Application
The RUEF-series is suitable for use in many general electronic applications. It completes the RXEF-series (see E1221) with its small form, low resistance and limiting no-damage current.
Technical Specifications
Operating Voltage, Max.:
30V
Interrupting Current, Max.:
40A
Temperature Range:
-40...+85°C
Part Nr.
IN
R1Max
tA Max.
AMax
BMax
CNom
[A]
[Ohm]
[A/s]
[mm]
[mm]
[mm]
RUEF090
0,9
0,22
4,5/5,9
7,4
12,2
5,08
RUEF110
1,1
0,17
5,5/6,6
7,4
14,2
5,08
RUEF135
1,35
0,13
6,75/7,3
8,9
13,5
5,08
RUEF160
1,6
0,11
8/8
8,9
15,2
5,08
RUEF185
1,85
0,09
9,25/8,7
10,2
15,7
5,08
RUEF250
2,5
0,07
12,5/10,3
11,4
18,3
5,08
RUEF300
3,0
0,08
15/10,8
11,4
16,5
5,08
RUEF400
4,0
0,05
20/12,7
14,0
19,3
5,08
RUEF500
5,0
0,05
25/14,5
14,0
24,1
10,2
RUEF600
6,0
0,04
30/16
16,5
24,1
10,2
RUEF700
7,0
0,03
35/17,5
19,1
25,9
10,9
RUEF800
8,0
0,02
10/18,8
21,6
28,4
10,2
RUEF900
9,0
0,02
45/20
24,1
29,0
10,2
IN = Rated Current, R1Max = 1 Hour Post-Trip Resistance Standard Trip, tA Max. = Maximun Time to Trip; All Data for Ambient Temperature at 20°C
Note
• These components are protected against overcurrent and overtemperature; not for continuous repeatable switching operations. • The valid VDE regulations must be observed when handling products which come into contact with electrical voltage.
