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Voltage Output Analog Current Sensors

 

Installation and Operation

 

 

 

#NSA-A/SCTE2-50, NSA-A/SCTE2-150, NSA-A/SCTE2-250, NSA-A/SCTV2-50, NSA-A/SCTV2-150, NSA-A/SCTV2-250 
11/14/2019 

 

Specifications subject to change without notice. 

Catalog No. 11-808-790-01 

Page 

2

 of 

5

 

Wire Size: 

18 to 24 AWG (0.823 mm

2

 to 0.205 mm

2

) 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 devices (Relays, Contactors, 
Transformers) 

Agency Approvals: 

UL/CUL US Listed (UL 508) Ind. Control Equipment (File # E309723), CE, RoHS2, 
WEEE 

Product Weight: 

0.274 lbs. (0.125 kg) 

Product Dimensions (L x W x H): 

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) 

1

All current output sensors are calibrated at an ambient room temperature of 71ºF (21.5ºC) 

 

 

Dimensional Drawing 

 

Solid Core 

 

 

 

 

 

 

Split Core 

 

 

 

 

 

 

Figure 1 

 

 

Summary of Contents for NSA-A/SCTE2-50

Page 1: ...frequency range In applications where variable speed drives or waveforms include distortion noise Carrier recommends the use of the NSA A CTA2 RMS or NSA A SCTA2 RMS Series sensors where you need to supply 24 VDC power to the current sensors with a 4 20 mA signal A 249 Ohm or 499 Ohm 1 Watt resistor can be used to convert the 4 20 mA signal into a useable 1 5 or 2 10 VDC output signal at your buil...

Page 2: ...n lbs 0 5 to 0 6 Nm Minimum Mounting Distance 1 2 6 cm between current sensor other magnetic devices Relays Contactors Transformers Agency Approvals UL CUL US Listed UL 508 Ind Control Equipment File E309723 CE RoHS2 WEEE Product Weight 0 274 lbs 0 125 kg Product Dimensions L x W x H 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 ...

Page 3: ...ed in any position using the two 8 x Tek screws and the mounting holes in the base or snapped directly on to the 35mm DIN rail See Figure 3 Leave a minimum distance of 1 3 cm between the current sensor and any other magnetic devices such as contactors and transformers Latch Operation Press down on the side tab and swing the top of the unit up to open the split core current sensor as shown in Figur...

Page 4: ...ire only for all Analog current sensor installations A maximum wire length of less than 30 meters 98 4 feet should be used between the current sensors and the Building Management System or controller All wiring must comply with all local and National Electric Codes NOTE When using a shielded cable be sure to connect only 1 end of the shield to ground at the controller Connecting both ends of the s...

Page 5: ...output with a Voltmeter to verify that the sensor is working properly Erratic readings Verify that the wires are terminated properly In areas of high RF interference shielded cable may be necessary to stabilize signal Inaccurate readings If you suspect that the current sensor is not reading within the accuracy specifications please contact the factory for assistance Current Sensor is operating at ...

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