Motor and Machine Protection
B59155
M 155
Applications
q
Thermal protection of winding in electric motors
Features
q
q
q
q
q
Thermistor pellet with insulating encapsulation
Silver-plated and Teflon(PTFE)-insulated AWG 26 litz wires
Trip temperature coded in litz wire color
Characteristics for nominal threshold temperatures of 90 bis 160
擄C
conform with DIN 44 081
Can be used in conjunction with Siemens tripping units
Max. operating voltage
(T
A
= 0 鈥?40
擄C)
V
max
Max. measuring voltage
(T
A
鈥?25 K 鈥?/div>
T
NAT
+ 15 K)
V
Mes,max
Rated resistance
(V
PTC
鈮?/div>
2,5 V)
R
N
Insulation test voltage
V
is
Response time
t
a
Operating temperature range (V = 0)
T
op
(V =
V
max
)
T
op
Type
30
7,5
鈮?/div>
100
2,5
<5
鈥?25/+ 180
0/40
V
V
鈩?/div>
kV ac
s
擄C
擄C
T
NAT
鹵 鈭?/div>
T
擄C
60
鹵
5
70
鹵
5
80
鹵
5
90
鹵
5
100
鹵
5
110
鹵
5
120
鹵
5
130
鹵
5
140
鹵
5
145
鹵
5
150
鹵
5
155
鹵
5
160
鹵
5
170
鹵
6
180
鹵
6
M 155
M 155
M 155
M 155
M 155
M 155
M 155
M 155
M 155
M 155
M 155
M 155
M 155
M 155
M 155
R
(T
NAT
鈥?/div>
鈭?/div>
T)
(V
PTC
鈮?/div>
2,5 V)
鈩?/div>
鈮?/div>
570
鈮?/div>
570
鈮?/div>
570
鈮?/div>
550
鈮?/div>
550
鈮?/div>
550
鈮?/div>
550
鈮?/div>
550
鈮?/div>
550
鈮?/div>
550
鈮?/div>
550
鈮?/div>
550
鈮?/div>
550
鈮?/div>
550
鈮?/div>
550
R
(T
NAT
+
鈭?/div>
T)
(V
PTC
鈮?/div>
2,5 V)
鈩?/div>
鈮?/div>
570
鈮?/div>
570
鈮?/div>
570
鈮?/div>
1330
鈮?/div>
1330
鈮?/div>
1330
鈮?/div>
1330
鈮?/div>
1330
鈮?/div>
1330
鈮?/div>
1330
鈮?/div>
1330
鈮?/div>
1330
鈮?/div>
1330
鈮?/div>
1330
鈮?/div>
1330
R
(T
NAT
+ 15 K)
(V
PTC
鈮?/div>
7,5 V)
鈩?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈮?/div>
4k
鈮?/div>
4k
鈮?/div>
4k
鈮?/div>
4k
鈮?/div>
4k
鈮?/div>
4k
鈮?/div>
4k
鈮?/div>
4k
鈮?/div>
4k
鈮?/div>
4k
鈮?/div>
4k
鈮?/div>
4k
R
(T
NAT
+ 23 K)
(V
PTC
鈮?/div>
2,5 V)
鈩?/div>
鈮?/div>
10 k
鈮?/div>
10 k
鈮?/div>
10 k
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
118
Siemens Matsushita Components
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