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The NH system is classified among plug-in fuse systems and is composed of: • fuse-base (possibly including terminal covers and phase barriers) • fuse-link with blade contact • fuse-link replacement device (LV HRC fuse puller) Since the design of this system cannot guarantee non-interchangeability of rated current it must be handled by a qualified professional. Type aM NH fuse-links are partial-range breaking capacity fuse-links, used to protect motor circuits as they are strongly current-limiting and have low power losses. They interrupt currents from 6.3 times In up to their maximum breaking capacity and are therefore suited for short-circuit protection only. They must be associated with other switchgear for protection against overloads. These fuse-links can have a rated current equal to the motor's nominal current.
Ampere Range 2 - 1000 A
Size per Standard
000
00
0
1
2
3
4
4a
Speed / Characteristic aM
Body Style Square
Body Material Ceramic
Materials Contact Copper, Silver-plated
Standards
DIN 57636 Part 201
VDE 0636 Part 201
IEC 60269-1 and -2
Applications aM: Partial purpose, motor circuit protection
ROHS Compliant Consult Technical Services
Lead Free Consult Technical Services
CE conformity Yes
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ul. Brodzka 10B
54-103 Wrocław
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