Page 1
Web: www.crompton-instruments.com • Email: crompton.info@tycoelectronics.com 2002
Transformers
Moulded Case Current Transformers
790 Series Relaying and Metering
Model 790-941 * *
Application: For relaying and metering
Frequency: 25 - 400 Hz
Installation Class: 600 Volts
Impulse Level: 10 kV Full Wave
Continuous Thermal Current
Rating Factor: 1.33 at 30°C ambient and
1.0 at 55°C ambient
• Manufactured to meet the requirements
of UL 1244 and revisions
• Non-standard lengh to be specifed
• Terminals are brass studs No. 8-32 UNC
with one flat washer, lockwasher and
regular nut
• UL Recognized
• ABS Approved
Catalogue Number Current Relay ANSI Accuracy Classification Weight
(without mounting Rating Class Metering Class at 60Hz (lb)
brackets) BO.1 B0.2 B0.5 B1.0 B2.0
790-941U-RLLS *200:5 C10 1.2 1.2 2.4 9.2
790-941U-RXLS *300:5 C10 0.6 0.6 1.2 2.4 9.2
790-941U-SCLS *400:5 C20 0.3 0.3 0.6 1.2 2.4 9.3
790-941U-SFLS *500:5 C20 0.3 0.3 0.6 1.2 2.4 9.4
790-941U-SJLS *600:5 C20 0.3 0.3 0.3 0.6 1.2 9.5
790-941U-SNLS *800:5 C20 0.3 0.3 0.3 0.6 1.2 9.7
790-941U-SSLS 1000:5 C50 0.3 0.3 0.3 0.6 0.6 9.9
790-941U-SULS 1200:5 C50 0.3 0.3 0.3 0.6 0.6 8.6
790-941U-TCLS 1500:5 C50 0.3 0.3 0.3 0.3 0.3 8.6
790-941U-TELS 1600:5 C50 0.3 0.3 0.3 0.3 0.3 8.7
790-941U-TMLS 2000:5 C50 0.3 0.3 0.3 0.3 0.3 9.1
790-941U-TULS 2500:5 C50 0.3 0.3 0.3 0.3 0.3 9.6
790-941U-UALS 3000:5 C50 0.3 0.3 0.3 0.3 0.6 10.1
Ordering mounting bracket kit separately option code MH. ie: 790-941U-UALS-MH
* NOTE: Completely interchangable with GE JAH-0.
Model 791 available with increased burden capability and with same overall dimensions except the width
increases to 2.88"
Specifications
Ordering Information
Dimensions (inches)
Page 2
Web: www.crompton-instruments.com • Email: crompton.info@tycoelectronics.com 2002
Transformers
Moulded Case Current Transformers
792 Series Relaying and Metering
Application: For relaying and metering
Frequency: 25-400 Hz
Installation Class: 600 Volts
Impulse Level: 10 Kv, Full Wave
Continuous Thermal Current
Rating Factor: 1.33 at 30°C ambient and
1.0 at 55°C ambient
• Manufactured to meet the requirements
of UL 1244 and revisions
• Terminals are brass studs No. 8-32 UNC
with one flat washer, lockwasher and
regular nut
• UL Recognized
• ABS Approved
Catalogue Number Current Relay ANSI Accuracy Classification Weight
(without mounting Rating Class Metering Class at 60Hz (lb)
brackets) BO.1 B0.2 B0.5 B1.0 B2.0
* * U-RLLS 200:5 C10 1.2 2.4 10.0
* * U-RXLS 300:5 C10 0.6 1.2 2.4 10.0
* * U-SCLS 400:5 C20 0.6 1.2 1.2 2.4 9.3
* * U-SFLS 500:5 C20 0.3 0.6 0.6 1.2 2.4 10.2
* * U-SJLS 600:5 C20 0.3 0.3 0.3 0.6 1.2 10.3
* * U-SNLS 800:5 C20 0.3 0.3 0.3 0.6 1.2 10.5
* * U-SSLS *1000:5 C50 0.3 0.3 0.3 0.3 0.6 10.7
* * U-SULS *1200:5 C50 0.3 0.3 0.3 0.3 0.6 10.9
* * U-TCLS *1500:5 C50 0.3 0.3 0.3 0.3 0.3 11.2
* * U-TELS 1600:5 C50 0.3 0.3 0.3 0.3 0.3 11.2
* * U-TMLS *2000:5 C50 0.3 0.3 0.3 0.3 0.3 9.8
* * U-TULS *2500:5 C50 0.3 0.3 0.3 0.3 0.3 10.4
* * U-UALS *3000:5 C50 0.3 0.3 0.3 0.3 0.3 10.9
* * U-UELS *4000:5 C50 0.3 0.3 0.3 0.3 0.3 11.7
Ordering mounting bracket kit separately option code MH. ie: 792-941U-UELS-MH
* NOTE: Completely interchangable with GE JAH-0.
Model only: Functionally interchangeable with Westinghouse CLA-10 (5.5"); CLA-10 (8.25") please request
Information on Model 794.
Model 793 available with increased burden capability and with same overall dimensions except the width
increases to 2.87".
Model 792-941 * *
Specifications
Ordering Information
Dimensions (inches)
Page 3
Web: www.crompton-instruments.com • Email: crompton.info@tycoelectronics.com 2002
Transformers
Moulded Case Current Transformers
797 Series Relaying and Metering
Model 797-940 * *
Model 797-941 * *
Application: For relaying and metering
Frequency: 50-400 Hz
Installation Class: 0.6 KV. BIL. 10 KV
Continuous Thermal Current
Rating Factor: 1.33 at 30°C ambient and
1.0 at 55°C ambient
Burdens:
ANSI 0.9 power factor meter burdens
• Manufactured to meet the requirements of
UL 1244 and revisions
• Flexible leads are UL 1015 105°C CSA
approved, #16 AWG, 24" long
• Non-standard lengh to be specifed
• Terminals are brass studs No. 8-32 UNC
with one flat washer, lockwasher and
regular nut
• UL Recognized
• ABS Approved
Multi-ratios available on request. Order mounting bracket kit separately option code MH. ie: 797-941U-UELS-MH
** NOTE: When ordering, prefix Cat. No with model designation required. I.e 797-940U-RLLS or 797-941U-RLLS.
Catalogue Number Current ANSI Accuracy Classification VA for Weight
(without mounting Rating Metering Class at 60Hz 1% Class (lb)
brackets) BO.1 B0.2 B0.5 B0.9 B1.8
* * U-RLLS 200:5 1.2 1.2 - - - 5.0 3.03
* * U-RSLS 250:5 0.6 1.2 - - - 5.0 3.07
* * U-RXLS 300:5 0.6 0.6 1.2 2.4 - 12.5 3.10
* * U-SCLS 400:5 0.3 0.6 1.2 1.2 2.4 25.0 3.17
* * U-SFLS 500:5 0.3 0.3 0.6 1.2 2.4 25.0 3.24
* * U-SJLS 600:5 0.3 0.3 0.6 0.6 1.2 25.0 3.31
* * U-SMLS 750:5 0.3 0.3 0.3 0.3 0.6 40.0 3.30
* * U-SNLS 800:5 0.3 0.3 0.3 0.3 0.6 50.0 3.32
* * U-SSLS 1000:5 0.3 0.3 0.3 0.3 0.6 75.0 3.43
* * U-SULS 1200:5 0.3 0.3 0.3 0.3 0.6 100.0 3.54
* * U-TCLS 1500:5 0.3 0.3 0.3 0.3 0.6 80.0 2.47
* * U-TELS 1600:5 0.3 0.3 0.3 0.3 0.6 90.0 2.53
* * U-TMLS 2000:5 0.3 0.3 0.3 0.3 0.3 105.0 2.79
* * U-TULS 2500:5 0.3 0.3 0.3 0.3 0.3 130.0 2.80
* * U-UALS 3000:5 0.3 0.3 0.3 0.3 0.3 165.0 3.14
* * U-UCLS 3500:5 0.3 0.3 0.3 0.3 0.3 190.0 3.48
* * U-UELS 4000:5 0.3 0.3 0.3 0.3 0.3 215.0 3.39
Specifications
Dimensions (inches)
Ordering Information
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