Current Sensors
Product ID: NCA1D-25A

Applications: For the electronic measurement of currents: DC, AC, pulsed, mixed, with a galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit). Main Technical Data: 1. Primary normal current I_PN (r.m.s): 25A 2. Primary current, measuring range I_P: +/-75A 3. Supply voltage (+/-5%): +/-12V ~ +/-15V 4. Current consumption: 15mA + Secondary output voltage / loading resistance 5. Overload capacity (1ms): 50x I_PN 6. R.m.s. voltage for AC isolation test, 50/60Hz, 1min: 2.5kV 7. R.m.s. rated voltage, safe separation: 500V 8. Isolation resistance @500V DC : More than 1000 megohm 9. Normal output voltage @R_L=10,000 ohm, T_A=+25¢XC: 4V 10. Output internal resistance: Approx. 100 ohm 11. Loading resistance: More than 1000 ohm Accuracy - Dynamic Performance Data 1. Accuracy @ I_PN, T_A=+25¢XC (without offset): +/-1% 2. Non-linearity (0 ~ I_PN): +/-1% 3. Electrical offset voltage V_OE, T_A=+25¢XC : less than +/-40mV 4. Hysteresis offset voltage @ I_P=0, after an drift of 1x I_PN: Less than +/-15mV 5. Thermal drift of V_OE: Less than +/-3mV/K 6. Thermal drift of the gain (% of reading): less than +/-0.1%/K 7. Response time (@ 90% of I_P): not more than 3us 8. DI/DT Accurately Followed: Better than 50A/us 9. Frequency bandwidth: DC 0 ~ 50kHz (0.5dB) General Data: 1. Operating Temperature: -10 ¢XC ~ +75 ¢XC 2. Storage Temperature: -25 ¢XC ~ +85 ¢XC 3. Weight: Approx. 15g 4. Standards: EN50178
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Specifications:

Features:

• Hall effect measuring principle
• Galvanic isolation between primary and secondary circuit.
• Low power consumption.
• Insulated plastic case made of white PPO recognized according to UL 94-V0.
• The whole current transducer comply with RoHS Directive completely.

Certificate:

Ordering information:

• Minimum Order: Negotiable
• TEL: 86-574-8738 3998
• FAX: 86-574-8735 9851
• E-mail: sarah-chen@zelrinb.com.cn