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ECNR7 Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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1 / 2 page ECNR Class RK5 250Vac, 1 to 60A Dual-Element, Time-Delay Fuses Form No. ECNR 1-60 Page 1 of 2 Data Sheet #1315 0509 BU-SB08624 Catalog Symbol: ECNR Dual-Element, Time-Delay – 10 seconds (minimum) at 500% rated current (8 seconds for fuses 30A or less) Current-Limiting Volts: 250Vac (or less) 125Vdc (or less) Amps: 1 to 60A IR: 200kA RMS Sym. Agency Information: CE, UL Listed, Std. 248-12, Class RK-5, Guide JDDZ, File E162363, CSA Certified, C22.2 No. 248.12, Class 1422-02, File 700489 Features • Provides motor overload, ground fault and short-circuit protection. • Helps protect motors against burnout from overloads. • Helps protect motors against burnout from single- phasing on three-phase systems. • Simplifies and improves blackout prevention (selective coordination). • Dual-element fuses can be applied in circuits subject to temporary motor overloads and surge currents to provide both high performance short-circuit and overload protection. • The overload element provides protection against low level overcurrent of overloads and will hold an overload which is five times greater than the amp rating of the fuse for a minimum of ten seconds. Dimensions (inches) Carton Quantity and Weight Carton Weight per Carton Amps Quantity lbs kg 1–15 10 0.40 0.18 17.5–30 10 0.50 0.23 35–60 10 1.00 0.45 Class RK5 Fuse Blocks (250V) Catalog Data (Clip Retaining Spring Standard, Suffix “R”) Terminal Type (Suffix No.) Basic Screw Box Lug 1 ¼4" Catalog — w/ Pres. — w/ Clip Quick Amps Number Plate CU only Connect 1 1 R25030-1 SR PR CR COR QR to 2 R25030-2 SR PR CR COR — 30 3 R25030-3 SR PR CR COR — 31 1 R25060-1 — — CR — — to 2 R25060-2 — — CR — — 60 3 R25060-3 — — CR — — Catalog Numbers (amps) ECNR1 ECNR7 ECNR17.5 ECNR45 ECNR2 ECNR8 ECNR20 ECNR50 ECNR3 ECNR9 ECNR25 ECNR60 ECNR4 ECNR10 ECNR30 ECNR5 ECNR12 ECNR35 ECNR6 ECNR15 ECNR40 |
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