+84-28-3742 1888
+84-28-3742 1888

HDPE Fuse Cutout

    Morstar offers both porcelain and polymeric cutouts for systems rated at 15kV and 27kV, the Polymeric insulator is Silicon Rubber or HDPE for polymeric cutouts. Morstar Cutouts meet and or exceed all applicable ANSI performance requirements with testing performed at an accredited independent laboratory.
    Morstar cutouts are manufactured with the following features standard: All electrical contacts are silver plated. Tin plated parallel grooves are standard. Groove 1 handles #6 solid through #6 tranded.
    Groove 2 handles #2 solid through 25 mil or 4/0 ACSR. Heavy-duty galvanized sleet shield, arcing horns and NEMA Type B brackets are standard. Polymeric cutouts are manufactured out of 100% silicone rubber, not a polymer alloy. All mechanical fasteners are manufactured from 304 stainless steel.
cầu chì tự rơi type B
*Hinge : Basic material is stainless. But upon user's request, can be replace bronze casting.
  1. Parallel Connector – Made of tinned bronze for cables from 8 AWG to 4/0 ACSR. To ease the connection, it can accommodates two conductors with different size in a single connector. Also available in other models.
  2. Upper Contact – Silver to silver; stainless steel springs offers high contact pressure
  3. Attachment Hooks – Used as tool support for energized opening as well as to guide the fuse tube during closing.
  4. Fuse Tube – Vulcanized fiber covered with fiberglass and painted with a special UV resistant epoxy. 
  5. Lower Contacts – Silver to silver; non ferrous springs offer high contact pressure
  6. Toggle-joint – Stainless steel construction.
  7. Flipper – Stainless steel construction; in conjunction with the toggle joint allows, especially during closing, the fuse link to be subject to traction forces of over 3 Kgf; it also allows for high speed fuse link separation
  8. Trunnion – Silver plated high strength cast bronze construction; it assists the fuse tube alignment during closing.
  9. Insulator – High strength porcelainin accordance with ANSI, IEC, or made of an ECR fiberglass core enveloped in a silicone rubber.
IMG 1615

bản vẽ cầu chì tự rơi type B
Insulator BiL Dimensions in inch (mm)
Porcelain and Polymeric 110 21.6” (549) 16.1”(409) 12.9” (327) 3.7” (93) 5.7” (144)
Porcelain and Polymeric 150 26.8”(682) 18.8” (478) 13.5” (343) 3.1”(79) 5.7” (144)
Porcelain and Polymeric 170 31.9” (811) 21.5” (547) 14.1” (359) 2.5” (64) 5.7” (144)

+The fuse cutouttype MSCO may be transformed into a DICONNECT upto 300 A, by simply changing the fuse tube for an
electrolytic copper blade. (See Figure 1)

Part nbr Voltage Rating kV Continuous
Interruption level Leakage Distance Shipping Weight Arc Shortening Rod
Nom. Max. Bil
MSCO-S111 14.4 15 110 100AMP 10kA ASYM) 15.2”-385mm 3.165kg No
MSCO-S211 14.4 15 110 200AMP 12kA(ASYM) 15.2”-385mm 3.457kg Yes
MSCO-S311 14.4 15 110 300AMP 12kA(ASYM) 15.2”-385mm 3.675kg Solid blade
MSCO-S125 25 27 150 100AMP 12kA ASYM) 24.4”-620mm 3.238kg Yes
MSCO-S225 25 27 150 200AMP 10kA(ASYM) 24.4”-620mm 3.618kg Yes
MSCO-S325 25 27 150 300AMP 12kA(ASYM) 24.4”-620mm 3.936kg Solid blade
MSCO-S127 25 36 170 100AMP 12kA ASYM) 32.6”-830mm 6.015kg Yes
MSCO-S227 25 36 170 200AMP 10kA(ASYM) 32.6”- 830mm 6.330kg Yes
MSCO-S327 25 36 170 300AMP 12kA(ASYM) 32.6”- 830mm 6.605kg Solid blade

cầu chì tự rơi type Polymeric1
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