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Power Monitoring and Protection
Power Monitoring and Protection

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A/CT, A/SCT Series

Current Transducers

Current sensors monitor the current flowing to electrical equipment. The magnitude of the analog output signal is proportional to the current flow through the wire. The A/CT series offers solid-core sensors with 4-20mA, 0-5VDC, or 0-10VDC outputs. The A/SCT series offers split-core sensors for retrofit applications with the same available outputs. Sensors are available with various input current ranges from 5 to 250 amps. True RMS models make monitoring of VFD applications a snap.


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Features
  • Available in solid-core or split-core
  • 5 VDC, 10 VDC or 4-20mA outputs
  • Voltage output models are self-powered
  • Integral DIN rail mount
  • True RMS versions for VFD applications
  • Enclosure rated UL94-5VB
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Specifications

Supply Voltage:

 :A/CTA, A/SCTA 12 to 30 VDC

 :A/CTE, A/CTV,

 :A/SCTE, A/SCTV Induced from monitored conductor

Supply Current:

 :A/CTA, A/SCTA 36 mA maximum

Frequency:

 :A/CTA, A/SCTA 30 Hz to 1 kHz

 :A/CTE, A/CTV,

 :A/SCTE, A/SCTV 50 to 600 Hz

Output:

 :A/CTA, A/SCTA 4-20 mA, 2-wire, loop-powered

 :A/CTE, A/SCTE 0-5 VDC

 :A/CTV, A/SCTV 0-10 VDC

Output Impedance:

 :A/SCTA 700Ω@ 24 VDC

 :A/SCTA-VFD 650Ω @ 24 VDC

Insulation Class:600 VAC

Isolation Rating:1270 VAC

Accuracy:

 :A/CTA, A/SCTA ±0.5%

 :A/CTE, A/CTV,

 :A/SCTE, A/SCTV ±1%

Operating Temperature:5° to 104°F (-15° to 40°C)

 :VFD models 32° to 104°F (0° to 40°C)

Operating Humidity:0 to 95% (non-condensing)

Mounting:DIN rail size 35 mm

Window Size:0.75", accepts up to 350 MCM cables

Weight:0.24 lbs (0.109 kg)

Approvals:UL listed, file #E309723, CE,

Warranty:5 years, limited

RoHS Statement:Yes

Enclosure Rating:UL94-5VB

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Certifications










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QtyModelDescriptionIn StockList PriceInternet Price
A/CTA-250 SOLID CURRENT TRANS 0-100/200/250A TO 4-20mA In Stock86.3969.11
A/CTA-250-VFD SOLID CURRENT TRANS 0-100/200/250A TO 4-20mA VFD INFO114.9191.93
A/CTA-5 SOLID CURRENT TRANS, 0-5A TO 4-20mA INFO86.3969.11
A/CTA-5-VFD SOLID CURRENT TRANS 0-5A TO 4-20mA VFD INFO114.9191.93
A/CTA-50 SOLID CURRENT TRANS 0-10/20/50A TO 4-20mA In Stock86.3969.11
A/CTA-50-VFD SOLID CURRENT TRANS 0-10/20/50A TO 4-20mA VFD INFO114.9191.93
A/CTE-250 SOLID CURRENT TRANS 0-100/200/250A TO 0-5VDC INFO74.2959.43
A/CTE-50 SOLID CURRENT TRANS 0-10/20/50A TO 0-5VDC INFO74.3059.44
A/CTV-250 SOLID CURRENT TRANS 0-100/200/250A TO 0-10VDC INFO74.2959.43
A/CTV-50 SOLID CURRENT TRANS 0-10/20/50A TO 0-10VDC INFO74.3059.44
A/SCTA-200 SPLIT CURRENT TRANS 0-100/150/200A TO 4-20mA INFO107.1385.70
A/SCTA-200-VFD SPLIT CURRENT TRANS 0-100/150/200A TO 4-20mA VFD INFO152.06121.65
A/SCTA-5 SPLIT CURRENT TRANS 0-5A TO 4-20mA INFO120.0896.06
A/SCTA-5-VFD SPLIT CURRENT TRANS 0-5A TO 4-20mA VFD INFO152.06121.65
A/SCTA-50 SPLIT CURRENT TRANS 0-10/20/50A TO 4-20mA INFO120.9596.76
A/SCTA-50-VFD SPLIT CURRENT TRANS 0-10/20/50A TO 4-20mA VFD INFO152.06121.65
A/SCTE-250 SPLIT CURRENT TRANS 0-100/200/250A TO 0-5VDC In Stock112.3189.85
A/SCTE-50 SPLIT CURRENT TRANS 0-10/20/50A TO 0-5VDC In Stock112.3189.85
A/SCTV-250 SPLIT CURRENT TRANS 0-100/200/250A TO 0-10VDC INFO93.3074.64
A/SCTV-50 SPLIT CURRENT TRANS 0-10/20/50A TO 0-10VDC In Stock93.4274.74
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Catalog Page
ACIA/CT, A/SCT Series
Overall rating 
3 / 5
3 / 5
Open Ratings Snapshot
Rating breakdown 2 reviews
5 Stars
1
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
1
Ease of Installation 
3.5 / 5
3.5 / 5
Quality / Performance 
2.5 / 5
2.5 / 5
Technology 
3.5 / 5
3.5 / 5
Value 
2.5 / 5
2.5 / 5
1 out of 2(50%)customers recommend this product.
2
2 Current sensors monitor the current flowing to electrical equipment. The magnitude of the analog output signal is proportional to the current flow through the wire. The A/CT series offers solid-core sensors with 4-20mA, 0-5VDC, or 0-10VDC outputs. The A/SCT series offers split-core sensors for retrofit applications with the same available outputs. Sensors are available with various input current ranges from 5 to 250 amps. True RMS models make monitoring of VFD applications a snap.
Overall rating 
3 / 5
3 / 5
Open Ratings Snapshot
Rating breakdown 2 reviews
5 Stars
1
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
1
Ease of Installation 
3.5 / 5
3.5 / 5
Quality / Performance 
2.5 / 5
2.5 / 5
Technology 
3.5 / 5
3.5 / 5
Value 
2.5 / 5
2.5 / 5
1 out of 2(50%)customers recommend this product.
Product reviews
Click on filters to refine your results.
Ratings summary
Overall rating 
3 / 5
3 / 5
Open Ratings Snapshot
Rating breakdown 2 reviews
5 Stars
1
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
1
Ease of Installation 
3.5 / 5
3.5 / 5
Quality / Performance 
2.5 / 5
2.5 / 5
Technology 
3.5 / 5
3.5 / 5
Value 
2.5 / 5
2.5 / 5
1 out of 2(50%)customers recommend this product.
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Product ReviewsWrite a review
Overall rating 
5 / 5
5 / 5
Excellent product/price
PostedOctober 10, 2011
Customer avatar
Oacc
 
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from Perú
Years of Experience:11+
Job Function:Engineering / Design
Ease of Installation 
4 / 5
4 / 5
Quality / Performance 
4 / 5
4 / 5
Technology 
5 / 5
5 / 5
Value 
4 / 5
4 / 5
Very reliable product, we use it extensively to provide fan status and fan power consumption. Really easy to install, even into a enclosure, it mounts over a DIN Rail. Compatible with most BMS.
My Favorite Feature No need to power it even with voltage output.
Pros: Good value
Cons: jumper setting instead of a switch
Yes, I recommend this product.
0points
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Overall rating 
1 / 5
1 / 5
A/SCTA-50-VFD Split-core, loop-powered true RMS current sensor, 0-10/20/50A input, 4-20 mA output
PostedSeptember 15, 2011
Customer avatar
Ken11
 
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from Minnesota
Years of Experience:11+
Job Function:Installation
Ease of Installation 
3 / 5
3 / 5
Quality / Performance 
1 / 5
1 / 5
Technology 
2 / 5
2 / 5
Value 
1 / 5
1 / 5
Bought 22 of these for a fan bank AHU with VFD's. All the sensors failed the same way. The would peg high after 1 amp. Replaced with self powering Hawkeye H723LC and are flawless and accurate.
No, I do not recommend this product.
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