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United Faith Sdn Bhd (HQ)
6 (Ground Floor), Jalan BPU 6, Bandar Puchong Utama, 47100 Puchong, Selangor, Malaysia.
+6012-5992610
SG Branch :
United Faith Pte Ltd
7030, Ang Mo Kio Ave 5, #01-23, Northstar@AMK, Singapore 569880.
+65-9106 6813
KL Branch :
8G, Jalan Pandan 2/3, Pandan Jaya, 55100 Kuala Lumpur, Malaysia.
+6012-491 2610
PJ Branch :
13, Jalan 21/37, SS 2, 47300 Petaling Jaya, Selangor, Malaysia.
+6012-599 2610
4-20 mA Output Analog Current Sensors NSA-4-20-ANALOG
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- Air Conditioner Sensor Malaysia
- Carrier NSA Series Sensors Malaysia
- Carrier Sensor Accessories Malaysia
- Carrier Non-Communicating Sensors Malaysia
- NSA-A/CTA2-250 NSA-A/CTA2-5 NSA-A/CTA2-50 NSA-A/SCTA2-50-RMS
Part Numbers
NSA-A/CTA2-250
NSA-A/CTA2-5
NSA-A/CTA2-50
NSA-A/SCTA2-50-RMS
The 4-20 mA Output Analog Current Sensors are designed for use in any AC current monitoring application in which you are looking to monitor a particular piece of equipment. The “Average” style current sensors should be used in applications where the Sinusoidal waveform has no distortion or noise on the conductor being monitored. Applications may include monitoring a resistive type load such as an incandescent light bulb, heating element as well as any single speed linear load. Note that the “True RMS” sensors are able to be used in all applications since the “True RMS” current sensors provide the best overall accuracy and should be used in applications which includes Variable Frequency Drives, Switching Power Supplies, Computers and Data Centers, Electronic Ballasts, SCR’s, and Variable Speed Loads.
Applications
Load Trending, Basic Power Monitoring, Electronic Ballasts, Computers/Data Centers, Industrial, Variable Speed Loads, Pumps, Compressors, Fans, Preventative Maintenance, LEED, Project Justification (ROI) Process Control, Solid State Environments (SCR’s)
Monitored Current Type: | AC Current |
Maximum AC Voltage: | 600 VAC |
Isolation Voltage: | 2200 VAC |
Operating Frequency Range1: | NSA-A/CTA2 Series: 40 to 1KHz | NSA-A/SCTA2-50 RMS: 15 to 100 Hz |
Core Style: | NSA-A/CTA2 Series: Solid | NSA-A/SCTA2-50 RMS: Split |
Supply Voltage: |
+8.5 to 30 VDC (Reverse Polarity Protected) 250 Ohm Load (1-5 VDC): +13.5 to 30 VDC 500 Ohm Load (2-10 VDC): +18.5 to 30 VDC |
Maximum Load Resistance @ 24 VDC: | 775 Ohms (Formula: (24 VDC – 8.5 VDC) / 0.020A ) |
Supply Current: | 25 mA minimum |
Selectable Range: |
NSA-A/CTA2-5: 0 to 5A | NSA-A/CTA2-250: 0 to 100/200/250A NSA-A/CTA2-50: 0 to 10/20/50A | NSA-A/SCTA2-50-RMS: 0 to 10/20/50A |
Output Signal | Maximum Output Signal: | 4 to 20 mA (2-Wire, Loop Powered) | Limited to 25 mA |
Accuracy2: | All Models: +/- 1% of Selected Range except NSA-A/SCTA2-50-RMS: +/- 2% from 15 to 20 Hz, +/- 1% from 20 to 100 Hz |
Response Time: |
NSA-A/CTA2-xxx: < 600 mS (Rise and Fall Time) NSA-A/SCTA2-50-RMS: 600 mS (Rise Time) and 2800 mS (Fall Time) |
Aperture Size: | 0.75” (19.05 mm) |
Din Rail Size: | 35 mm (U.S. Patent No. 7,416,421) |
Operating Temperature Range: | 5 to 104ºF (-15 to 40ºC) |
Operating Humidity Range: | 0 to 95%, non-condensing |
Storage Temperature | RH Range: | 41 to 95°F (5 to 35°C) | 40% to 85% RH, non-condensing |
Enclosure Material | Flammability Rating: | PC/ABS (Polycarbonate/ABS Blend) | UL94-V0 |
Wiring Connections: | 2 Position, Screw Terminal Block (Polarity Sensitive) |
Wire Recommendations: | 2 Conductor (Shielded Cable) |
Wire Size: | 18 to 24 AWG (0.823 mm to 0.205 mm) Copper Wires only |
Terminal Block Torque Rating: | 4.43 to 5.31 in-lbs. (0.5 to 0.6 Nm) |
Minimum Mounting Distance: | 1” (2.6 cm) between current sensor & other magnetic |
Agency Approvals: | CE (-RMS Versions): CE to IEC 61326-1: 2012 Class A, UL/CUL US Listed (UL 508) Ind. Control Equipment | (File # E309723), RoHS2, WEEE |
Product Weight: |
NSA-A/CTA2-xxx: 0.260 lbs (0.118 kg) NSA-A/SCTA2-xxx-RMS: 0.190 lbs (0.087 kg) |
Product Dimensions: |
Solid Core Versions: 2.760” (70.11 mm) x 3.343” (84.92 mm) x 1.050” (26.67 mm) Split Core Versions: 2.780” (70.51 mm) x 3.238” (82.25 mm) x 1.120” (28.45 mm) |