Product Description
Amorphous & Nanocrystalline cores are used for distribution transformers, instrument transformers, current transformers for electronic energy meter, zero-phase sequence current transformers for earth leakage circuit breaker, common mode chokes, power transformers and inductors for inverter power supply.
Precision current transformer core - ONM series
Applications:
Electronic Watt hour meter
Precision power meter
Current overload protection in engine control
Current control in automation industry
Features:
High permeability, which lead to low phase and amplitude error
Very high saturation flux density compared with Permalloy, which bring higher measurement current range
Low core losses which lead to low amplitude
Good temperature stability
Standard Material Characteristics
Material Iron-based nanocrystalline alloy
Saturation Flux Density Bs (T) 1.25
Permeability ( μ ) at 0.08 A/m 30000-120000
Coercive Force Hc (A/m) 0.8
Curie Temperature (° C) 560
Mass Density d (kg/m3) 7.2X103
| Part No. |
Case Size (mm) |
Properties |
| OD' |
ID' |
HT' |
N1:N2 |
IIN (mA)
50Hz |
V0 (mV)
min |
| ONM-181305 |
19.6 |
11.6 |
6.4 |
1:1 |
2.73 |
0.006 |
| ONM-191406.5 |
22.3 |
12.0 |
9.5 |
1:1 |
50 |
2.00 |
| ONM-191408 |
21.6 |
12.0 |
11.0 |
1:1 |
50 |
2.00 |
| ONM-211310 |
24.0 |
11.6 |
13.0 |
1:1 |
6.14 |
0.15 |
| ONM-211420 |
24.7 |
11.3 |
23.0 |
1:1 |
50 |
9.00 |
| ONM-211604.5 |
24.0 |
14.5 |
7.0 |
1:1 |
10 |
0.02 |
| ONM-211610 |
24.5 |
14.2 |
12.7 |
1:1 |
10 |
0.25 |
| ONM-231610 |
25.0 |
14.1 |
13.0 |
1:1 |
6.9 |
0.15 |
| ONM-251904.5 |
28.0 |
17.5 |
7.2 |
1:1 |
10 |
0.02 |
| ONM-261810 |
28.9 |
16.6 |
13.0 |
1:1 |
10 |
0.25 |
| ONM-281815 |
31.0 |
15.2 |
17.7 |
1:1 |
4.07 |
0.12 |
FAQ
| Q1: Are you a manufacturer? |
| A1: Yes, we have large-scale, modern factory located in Kunshan City, Jiangsu Province, China. We can provide OEM/OOM services for customers around the world. |
| Q2: What about the quality of your products? |
| A2: Our production process is in conformity with ISO 9001. All products we supplied are strictly tested before shipment. |
| O3: Can you offer samples to test before the formal order? |
| A3: Yes, we can provide the existing item's sample. If there is any special feature requirement, please contact us for more details. |
| O4: How long is usually your delivery time? |
| A4: Our delivery time is usually within 14 days after we receive your order. |
| O5: What is your Shipping Methods? |
| A5: By Sea; By air; or by UPS/DHL/FedEx/TNT etc. |
Company Profile
More details please contact us.
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