Bussmann
®
Specialty Fuse
Time-Delay, Non-Rejecting
GMF & GRF
GMF, GRF
& HLR
Dimensional Data
FUSE
0.63"
(15.9mm)
HLR
FUSE AND CARRIER
.850"
(21.59mm)
2.250"
(57.15mm)
Catalog Symbols:
GMF, GRF & HLR
Time-Delay
Non-Rejection Style Fuse
GMF
Amperes
Volts AC
⁄Ω•-6⁄Ω¢,10
300
Line Lead
GRF
7-10
300
.720"
(18.29mm)
.850"
(21.59mm)
C
L
MOUNTING HOLE
Load Lead
.410"
(10.41mm)
Interrupting Rating:
10,000 Amperes
Agency Information:
GMF and GRF Fuse:
UL Listed, Std. 248-14, Guide JDYX, File E19180
CSA Certified, C22.2 No. 248.14, Class 1422-01, File 53787
HLR Fuseholder:
UL Recognized, 12A, 300 Vac, Guide IZLT2, File E14853
CSA Certified, 12A, 300 Vac, Class 6225-01, File 47235
HLR-2A:
UL Recognized, 15A, 300 Vac, Guide IZLT2, File E14853
CSA Certified, 15A, 300 Vac, Class 6225-01, File 47235
Electrical Ratings for Type GMF and GRF Fuses and
Non-Rejection Style Carriers
Fuse
GMF-‹Ω¡º
GMF-⁄Ω™
GMF-flꭧ
GMF-°Ω¡º
GMF-1
GMF-1⁄Ω¢
GMF-1flꭧ
GMF-2
GMF-2⁄Ω™
GMF-2°Ω¡º
Carrier
HLR
HLR
HLR
HLR
HLR
HLR
HLR
HLR
HLR
HLR
Fuse
GMF-3
GMF-3¤Ω¡º
GMF-4
GMF-5
GMF-6⁄Ω¢
GRF-7
GRF-8
GRF-10
GMF-10
Carrier
HLR
HLR
HLR
HLR
HLR
HLR
HLR
HLR
HLR
.870"
(22.10mm)
.635"
(16.13mm)
.740"
(18.80mm)
Knockout Hole
.255"
(6.48mm)
Keyhole Punch
General Information:
• HLR carrier comes with
6∑
of #18 red insulated solid copper
wire attached to the line side.
• Customer inserts a #18 insulated solid copper wire into load
side receptacle.
• Order part number HLR-2A to obtain
6∑
of #18 black insulat-
ed solid copper wire pre-installed in a load side receptacle.
• Order part number HLR-2L to obtain
6∑
of #18 black insulated
solid copper wire packaged loose (un-installed).
• An alternative to the HLR fuseholder is the A fuseholder. The
A fuseholder comes WITHOUT leads. The customer inserts
#18 insulated solid copper wire into the line side receptacle as
well as into the load side receptacle. It has the same body
dimensions, utilizes the same mounting hole, and takes the
same mounting clips as the HLR. The A fuseholder is UL
Recognized, 10A, 300Vac, Guide IZLT2, File E14853 and CSA
Certified, 10A, 300Vac, Class 6225-01, File 47235.
• Fuse and knob are an integral one-piece unit. There are no
replacement knobs (caps).
• Units can be panel mounted with a separate steel clip. For the
knockout hole (see above), choose #BK/A-104. For the key-
hole punch type hole, choose #6374 for panels .043” to .062”
thick, or #4909 for panels .030” to .042” thick.
• Do not put tension on line (rear) terminal of fuseholder.
CE logo denotes compliance with European Union Low Voltage Directive
(50-1000 Vac, 75-1500 Vdc). Refer to Data Sheet: 8002 or contact Bussmann
Application Engineering at 636-527-1270 for more information.
5-22-02
SB02233
Form No. GMF, GRF & HLR
Page 1 of 2
Data Sheet: 2031
Bussmann
®
Specialty Fuse
Time-Delay, Non-Rejecting
Time-Current Characteristic Curves–Average Melt
3
3.2
4
AMPERE
RATING
1
1.6
2
.3
.5
GMF, GRF
& HLR
Time-Current Characteristic Curves–Average Melt
AMPERE
RATING
7
8
10
5
100
100
10
10
TIME IN SECONDS
TIME IN SECONDS
1
1
.1
.1
.1
100
100
RMS SYMMETRICAL CURRENT IN AMPERES
200
RMS SYMMETRICAL CURRENT IN AMPERES
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.
5-22-02
SB02233
Form No. GMF, GRF & HLR
Page 2 of 2
Data Sheet: 2031
200
1
10
10
.01
.1
1
.01
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