• Your shopping cart is empty!

  • BS 3938:1973

BS 3938:1973

Specification for current transformers

BSI Group, 02/02/1973

Publisher: BS

File Format: PDF

$147.00$294.64


Published:02/02/1973

Pages:42

File Size:1 file , 890 KB

Note:This product is unavailable in Ukraine, Russia, Belarus

Current transformers for frequencies 14 Hz to 100 Hz for use with electrical measuring instruments and electrical protective devices. Ratings; accuracy; tests; rating-plate and terminal markings. Appendices on guidance in application of current transformers: short-time rating; maximum V A output of bar-primary and bushing current transformers; use of current transformers for dual purpose of measurement and protection, composite error, high and low reactance current transformers.

Replaced by BS 7626:1993 but remains current and has been proposed for withdrawal.

More BS standard pdf

BS 3955-2B:1966

BS 3955-2B:1966

Specification for electrical controls for domestic appliances. Thermostats for electrically heated hot water supply (a.c.only)

$125.00 $251.46

BS 4541:1970

BS 4541:1970

Specification for polyurethane interior foam cores for domestic mattresses for adults

$76.00 $152.40

BS 4541:1970

BS 4541:1970

Specification for polyurethane interior foam cores for domestic mattresses for adults

$76.00 $152.40

BS 947:1970

BS 947:1970

Specification for a universal system for designating linear density of textiles (Tex system)

$59.00 $119.38