ASM Series • Current Sensor for 50/60 Hz
ASM Series current sensors operate as the sealed secondary of a current transformer while the conductor carrying the current to be measured functions as a one turn primary. Measurement accuracy can be improved by increasing the number of primary turns. Applications include detection of branch circuit overload and load drop or shutdown. Features • Fully encapsulated for optimal PC board mtg. • Mains frequency of 50/60 Hz • Primary current ratings from 1 to 100 Amps • Primary to secondary isolated to 2500 VAC • Operating temperature range: -40° C to +120°C • Competitive pricing due to high volume production • Manufactured in an ISO-9001:2000, TS-16949:2002 and ISO-14001:2004 certified Talema facility • Fully RoHS compliant ASM-010
Typical Response
Ø 5.0 (0.197)
Part Number
ASM-010 ASM-020 ASM-030 ASM-050 ASM-075 ASM-100
Current R an g e
1 - 10 Amps 1 - 20 Amps 1 - 30 Amps 5 - 50Amps 5 - 75 Amps 5 - 100 Amps
Output Voltage Tolerance
±10% ±10% ±10% ±10% ±10% ±10%
ASM-010
40
17.0 (0.669)
TALEMA ASM-010
Output Voltage (mV)
20.4 (0.803) 3 4 .0 (0.157)
35 30 25 20 15 10 5 0 1 2 4 6 8 10 12
1 0.60 Ø (0.024)
12.7 (0.500)
ASM-020
Ø 5.0 (0.197) 25.0 (0.984)
9.53 (0.375)
1 17.20 (0.677)
3
Current (Amps)
ASM-010 & ASM-020
80 E 70
ASM-020
Output Voltage (mV)
0.60x0.88 mm (0.024x0.035) 15.5 (0.610)
1 8
20.0 (0.787)
3.5 (0.138)
60 50 40 30 20 10 0 12 4 6 8 10 12 14 16 18 20 22 24
4
12.5 5 (0.492) 50 ohms 23.0 (0.906)
Output Voltage (mV)
Note: Pins #1 and 8 are Blank
ASM-030
Current (Amps)
Ø 9.27 (0.365) E 25.4 (1.00)
ASM-030
80 70
Output Voltage (mV)
TALEMA ASM-030
60 50 40 30 20 10
0.80 Ø (0.031) 1 3
15.24 (0.600)
5.0 (0.197) 2 7.62 (0.301)
1
2
3 Output Voltage (mV)
220 ohms
11.18 (0.440)
3 1 25.15 (0.99) 2 1.78 (0.070)
0 1 5 10 15 20 25 30 35 40
Note: Pin #3 is Blank
Current (Amps)
ASM-050, ASM-075 & ASM-100
Ø 8.0 (0.315) 3.5 (0.138) 27.5 (1.085)
3 1 4 2
ASM-050, ASM-075 & ASM-100
135
Output Voltage (mV)
17.5 (0.689)
7 8
120 105 90 75 60 45 30 15 0 5 20 40 60 80 100
E
32.0 (1.260)
35.0 (1.378)
0.75 x 1.10 mm (0.030 x 0.043)
7.50 (0.295)
20.5 (0.807)
1
2 220 ohms
Output Voltage (mV)
Current (Amps)
Germany: Int.+49 89 - 841 00-0 • Ireland: Int.+35 374 - 954 8666 • Czech Rep: Int.+420 377 - 338 351 • India: Int.+91 427 - 244 1325 http://www.talema-nuvotem.com (06-06) ASM Series
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