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46
Low Voltage Supplementary Fuses
K Series
Specifications
Description: Cable limiters.
Ratings:
Volts — 600Vac
IR — 200,000A RMS Sym.
@ 600Vac
Agency Information: UL
Listing: KDM, KDR, KDP and
KFM, KCM, KCM-B and KCR.
Features and Benefits
• Sizes and ratings available to
meet many applications.
Typical Applications
• Protecting low voltage distribution and service entrance
cables against short-circuit currents.
Catalog Numbers
Copper Cable Limiter — 600 Volts
Catalog Cable Catalog Cable
Number Size Number Size
Tubular Terminals
KCY #4 KCF 4/0
KCZ #3 KCH 250 MCM
KCA #2 KCJ
1, 2
350 MCM
KCB #1 KCM
1, 2, 3
, KCM-B
1
500 MCM
KCC 1/0 KCV 600 MCM
KCD
1, 2
2/0 KCR
1, 2
750 MCM
KCE 3/0 KCS 1000 MCM
Tubular Terminal and Offset Bolt-Type Terminal
KQV #12 KDD
1
2/0
KQT #10 KDE 3/0
KFZ #8 KDF 4/0
KIG #6 KDH 250 MCM
KDY #4 KDJ
1, 2
350 MCM
KDA #2 KDM
1
,
2
,
3
500 MCM
KDB #1 KDU 600 MCM
KDC 1/0 KDR
1
,
2
750 MCM
Compression Connector Rod and Tubular Terminals
KEX 4/0 KQO 350 MCM
KFH-A 250 MCM KDT
2
500 MCM
*Center Bolt-Type Terminal and Off-Set Bolt-Type Terminal
KPF 4/0 KDP
1
500 MCM
KFT
1
250 MCM KFM
1
750 MCM
KEW
1
350 MCM
*Copper or aluminum cable; sizes of all other limiters pertain to copper only.
1
UL Listed (File E90818).
2
Available with shrink tube “_V” suffix.
3
Available with molded rubber boots. Add “–B” to end of part number.
Accessories
Boots can be purchased separately.
For KCM Boot-KCM For KDM Boot-KDM
Installation tools can be purchased separately from Thomas and Betts
• Crimp Tool: TBM-14M • Die: 15506 KDM/15515 KDR
Specifications
Description: Welder limiters.
Ratings:
Volts — 600Vac (or less)
IR — 200,000A RMS Sym.
Features and Benefits
• Current-limiting devices designed specially for use
on welder circuits only
• Time-current characteristics are designed to hold
on the intermittent overloading encountered in
welder operation, while providing short-circuit
protection to the circuit and equipment
• Welder limiters have excess current capacity in the
operating range as needed for this type of service
Typical Applications
• Welder circuits
• Because welder limiters have special characteristics, they
are not intended for application on general-use circuits
Catalog Numbers
Catalog Fuse Holder Nominal
Numbers Type Amp Rating
68150 Class H 150
68200 Class H 200
68300 Class H 300
68400 Class H 400
68600 Class H 600
64200 Class J 200
64300 Class J 300
64400 Class J 400
64600 Class J 600
Cable Limiters & Welder Limiters
Data Sheet: 1042
Data Sheet: 1045
64000 & 68000 Series
Recommended Fuse Blocks For 68000 & 64000
Series limiters
• See page 44