11-20-02 SB02450
CC-TRON®FNQ-R
Time-Delay Fuses
⁄‹Ω£™∑ ≈ 1⁄Ω™∑, 600 Volt, ⁄Ω¢ to 30 Amps
Form No. FNQ-R
Page 1 of 2
Data Sheet: 1014
Bussmann®
1.5"
(50.031)
(38.1mm)
.41"
(50.005)
(10.3mm)
Dimensional Data General Information:
• The Bussmann CC-TRON®(FNQ-R) 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.
•High inrush time-delay. Control circuit transformers can
experience inrush currents up to 85 times their full-load
current rating. FNQ-R 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. Nickel-plated brass endcaps.
Carton Quantity and Weight
Ampere Carton Weight*
Ratings Qty. Lbs. Kg.
⁄Ω¢-30 10 .200 .091
*Weight per carton
Electrical Ratings (Catalog Symbol and Amperes)
FNQ-R-⁄Ω¢ FNQ-R-1‹Ω¡º FNQ-R-3¤Ω¡º FNQ-R-8
FNQ-R-‹Ω¡º FNQ-R-1›Ω¡º FNQ-R-3⁄Ω™ FNQ-R-9
FNQ-R-›Ω¡º FNQ-R-1⁄Ω™ FNQ-R-4 FNQ-R-10
FNQ-R-⁄Ω™ FNQ-R-1flΩ¡º FNQ-R-4⁄Ω™ FNQ-R-12
FNQ-R-flΩ¡º FNQ-R-1°Ω¡º FNQ-R-5 FNQ-R-15
FNQ-R-‹Ω¢ FNQ-R-2 FNQ-R-5flΩ¡º FNQ-R-17⁄Ω™
FNQ-R-°Ω¡º FNQ-R-2⁄Ω¢ FNQ-R-6 FNQ-R-20
FNQ-R-1 FNQ-R-2⁄Ω™ FNQ-R-6⁄Ω¢ FNQ-R-25
FNQ-R-1⁄Ω• FNQ-R-2°Ω¡º FNQ-R-7 FNQ-R-30
FNQ-R-1⁄Ω¢ FNQ-R-3 FNQ-R-7⁄Ω™ —
Catalog Symbol: FNQ-R
Time-Delay
Application: Circuit Transformer Protection
Ampere Rating: ⁄Ω¢ to 30A
Voltage Rating: 600Vac (or less)†
Interrupting Rating: 200,000A RMS Sym. (UL)
Agency Information:
UL Listed, Std. 248-4, Class CC, Guide JDDZ, File E4273
CSA Certified, Class CC CSA, Class 1422-01,
File 53787–HRC-MISC
†12-30A is 300Vdc and 10k AIR.
Maximum Acceptable Rating of Overcurrent Device*
Maximum Rating of Overcurrent
Rated Primary Protective Device Expressed As A
Current Percent of Transformer Primary
(Amperes) Current Rating
Less than 2A 500**
2A to less than 9A 167
9A or more 125
*UL 508A Table 42.1.
**300% for other than motor control applications.
CE logo denotes compliance with European Union Low Voltage Directive
(50-1000Vac, 75-1500Vdc). Refer to Data Sheet: 8002 or contact
Bussmann Application Engineering at 636-527-1270 for more information.
CC-TRON®FNQ-R
Time-Delay Fuses
⁄‹Ω£™∑ ≈ 1⁄Ω™∑, 600 Volt, ⁄Ω¢ to 30 Amps
Bussmann®
100
1000
TIME IN SECONDS
CURRENT IN AMPERES
10
1
100
.01
.1
1
10
20A
10000
1000
15A
30A
Time-Current Characteristics–Average Melt Time-Current Characteristics–Average Melt
Form No. FNQ-R
Page 2 of 2
Data Sheet: 1014
The only controlled copy of this Data Sheet is the electronic read-only version located on the Bussmann Network Drive. 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. Bussmann reserves the right, without notice, to change
design or construction of any products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information con-
tained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
1
AMPERE
RATING
100
10
1
.1
.01
.5
10
100
200
TIME IN SECONDS
CURRENT IN AMPERES
300
200
400
500
1/2
6/10
3/4
8/10
1
1-1/8
1-1/2
1-8/10
2
2-1/2
3
3-2/10
3-1/2
4
5
6-1/4
7-1/2
1-1/4
5-6/10
7
6
11-20-02 SB02450
Recommended fuseblocks/fuseholders for
Class CC 600V fuses
See Data Sheets listed below
• Open fuseblocks - 1105
• Finger-safe fuseholders - 1109, 1102, 1103, 1151
• Panel-mount fuseholders - 2114, 2113
• In-line fuseholders - 2126
