Littelfuse CT SelecTiOn Guide Manuel d'utilisateur télécharger pdf

Accessories

Current Transformers (CTs)

CT SELECTION GUIDE

*Phase CTs should be selected with a primary rating of 100-300% of rated current to maintain speciﬁed accuracy. CTs with a 1-A or 5-A secondary are accepted.

†Trip levels are model speciﬁc, see ordering information..

‡Select a CT with a primary rating approximately equal to the system’s rated current. CTs with 5-A secondary current are accepted.

PRODUCT GROUND-FAULT CT

GROUND-FAULT TRIP LEVEL

(or insulation level)

SE-601 No CTs required 1-20 mA

PGR-3100 No CTs required Indication only

PGR-3200 No CTs required

Warnings at 30 kΩ & 50 kΩ,

Alarm at 10 kΩ

SE-502 No CTs required 5 ± 0.9 mA

SE-701/SE-703

CT-200 Series 10-198 A

EFCT Series 50 mA-4.95 A

SE-CS30 Series 300 mA-29.7 A

SE-704 SE-CS30 Series 10 mA-5 A

EL731 EFCT Series 30-5,000 mA AC and DC

SE-105/SE-107 CT200 Series 0.5-4 A

SE-134C/SE-135 SE-CS10 Series 0.5-12.5 A

SE-145

SE-CS10 Series 0.5-12.5 A

SE-CS40 Series 2.0-50 A

SE-330

CT200 Series 12-200 A

EFCT Series 100 mA-5 A

SE-CS30 Series 600 mA-30 A

SE-325 CT200 Series 0.5-4 A

PGR-6150

No phase CTs required <25 A,

Optional SE-CS30 Series Ground-Fault CT

0.4-150 A

MPU-32*

CT200 Series 10-200 A

EFCT Series 50 mA-5 A

SE-CS30 Series 300 mA-30 A

MPS*

CT200 10-200 A

EFCT Series (5-A Primary) 50 mA-5 A

SE-CS30 Series (30-A Primary) 300 mA-30 A

MPU-32-X69X-PMA16 Existing CTs can be used or same as MPU-32.

MPS-469X-PMA24 Existing CTs can be used or same as MPS.

PGR-6800 No CTs required <91 A

N/A

†

FPU-32*

CT200 Series 10-200 A

EFCT Series 50 mA-5 A

SE-CS30 Series 300 mA-30 A

FPS*

CT200 10-200 A

EFCT Series (5-A Primary) 50 mA-5 A

SE-CS30 Series (30-A Primary) 300 mA-30 A

AF1000

‡

CTs are optional N/A

GROUND FAULT

PROTECTION

TRAILING CABLE

PROTECTION

RESISTANCE

GROUNDING

MOTOR & PUMP

PROTECTION

FEEDER

PROTECTION

ARC-FLASH

PROTECTION

1 2 3

Résumé du contenu

Page 1 - CT SELECTION GUIDE

Accessories© May 2012 Littelfuse Protection Relays & Controls www.littelfuse.com/relayctCurrent Transformers (CTs)CT SELECTION GUIDE*Phase CTs sho

Page 2 - CURRENT TRANSFORMERS

Accessories© May 2012 Littelfuse Protection Relays & Controls www.littelfuse.com/relayctCurrent Transformers CURRENT TRANSFORMERSCURRENT TRANSFORM

Page 3 - PGC FAMILY, PGG FAMILY

Accessories© May 2012 Littelfuse Protection Relays & Controls www.littelfuse.com/relayctNOTE: Contact factory for additional CT offerings.Current

Commentaires sur ces manuels

Pas de commentaire

Littelfuse CT SelecTiOn Guide Manuel d'utilisateur

Naviguer en ligne ou télécharger Manuel d'utilisateur pour Matériel Littelfuse CT SelecTiOn Guide. Littelfuse CT SelecTiOn Guide User Manual Manuel d'utilisatio

Résumé du contenu

Commentaires sur ces manuels

Produits connexes et manuels pour Matériel Littelfuse CT SelecTiOn Guide