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Edison

HCTR

Class CC 600Vac, 0.25 to 30A

Time-Delay Fuses

Form No. HCTR

Page 1 of 2

Data Sheet #1302

07-10-07

BU-SB07255

Catalog Symbol: HCTR

Time-Delay

Volts: 600Vac (or less)

Amps: 0.25 to 30A

IR: 200kA RMS Sym.

10kAIC (12-30A)

Agency Information: CE, UL Listed, Std. 248-4, Class CC,

Guide JDDZ, File E162363, CSA Certified, Class CC CSA,

Class 1422-02, File 53787 — HRCI-CC

Features

• The HCTR was designed to meet the needs of control

circuit transformer protection.

• Current-limitation protects down stream components

against damaging thermal and magnetic effects of short-

circuit currents.

• Rejection feature. HCTR fuses meet the UL 508,

paragraph 19.2.4 requirement that control circuit fuses

used in equipment listed for use with more than 10,000A

available must have an adequate interrupting rating and

must be rejection type.

• High inrush time-delay. Control circuit transformers can

experience inrush currents up to 85 times their full-load

current rating. HCTR fuses can be sized according to

NEC™ and UL requirements and still allow the high

inrush currents, with significantly more time-delay than

the UL minimum value of 12 seconds at 200% for Class

CC fuses.

• Melamine tube with nickel-plated brass end caps.

Dimensions (inches)

Maximum Acceptable Rating of Overcurrent

Device*

Maximum Rating of Overcurrent

Protective Device Expressed As A

Rated Primary Percent of Transformer Primary

(Amps) Current

Current Rating

Less than 2A 500**

2A to less than 9A 167

9A or more 125

*UL 508, Table 19.3.

**300% for other than motor control applications.

Carton Quantity and Weight

Carton Weight per Carton

Amps Quantity lbs kg

0.25 to 30 10 20 0.09

Class CC Fuse Blocks (600V) Catalog Data

Screw Pressure

Screw Pressure Box Quick- Quick-

Poles Terminal Plate Terminal Connect Connect

1 BC6031S BC6031P BC6031B BC6031SQ BC6031PQ

2 BC6032S BC6032P BC6032B BC6032SQ BC6032PQ

3 BC6033S BC6033P BC6033B BC6033SQ BC6033PQ

Catalog Numbers (amps)

HCTR0.25 HCTR1.25 HCTR2.8 HCTR8

HCTR0.3 HCTR1.3 HCTR3 HCTR9

HCTR0.4 HCTR1.4 HCTR3.2 HCTR10

HCTR0.5 HCTR1.5 HCTR3.5 HCTR12

HCTR0.6 HCTR1.6 HCTR4 HCTR15

HCTR0.75 HCTR1.8 HCTR5 HCTR20

HCTR0.8 HCTR2 HCTR6 HCTR25

HCTR1 HCTR2.25 HCTR6.25 HCTR30

HCTR1.125 HCTR2.5 HCTR7.5

Summary of content (2 pages)

PAGE 1
Edison® HCTR Class CC 600Vac, 0.25 to 30A Time-Delay Fuses Dimensions (inches) Catalog Symbol: HCTR Time-Delay Volts: 600Vac (or less) Amps: 0.25 to 30A IR: 200kA RMS Sym. 10kAIC (12-30A) Agency Information: CE, UL Listed, Std. 248-4, Class CC, Guide JDDZ, File E162363, CSA Certified, Class CC CSA, Class 1422-02, File 53787 — HRCI-CC Catalog Numbers (amps) HCTR0.25 HCTR1.25 HCTR0.3 HCTR1.3 HCTR0.4 HCTR1.4 HCTR0.5 HCTR1.5 HCTR0.6 HCTR1.6 HCTR0.75 HCTR1.8 HCTR0.8 HCTR2 HCTR1 HCTR2.25 HCTR1.125 HCTR2.
PAGE 2
Edison® HCTR Class CC 600Vac, 0.25 to 30A Time-Delay Fuses Time-Current Characteristic Curves– Average Melt Time-Current Characteristic Curves– Total Clearing The only controlled copy of this document is the electronic read-only version maintained by Cooper Bussmann. All other copies of this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications.