Bussmann
?
T-Tron? Very Fast Acting Fuses JJN
Class T
300 Volts, 1-1200 Amps
Dimensional Data
.88"
(– 0.02)
.41" Dia. 3.06"
(– 0.02) (– 0.04)
1A to 30A 2.03"
(– . 8 08 .0" 2) .88"
. (5 –6 0" .D 02ia ). (–1 . 02 .5 0"
4)
35A to 60A 450A to 600A .484"
(Typ. 2)
2.16" 3.38"
(– 0.02) (– 0.04)
.284" 1.56" 2.22"
(Typ. 2) .84" .92"
.75"
(– 0.02)
70A to100A (–1 . 07 .5 0"
4)
2.44"
(– 0.02)
Catalog Symbol:JJN .344" 1.69" 601A to 800A (T.5 y6 p2 . " 2)
Current Limiting (Typ. 2) .84"
Very Fast Acting (– . 8 08 .0" 2) (– 04 ." 04)
2.53"
Ampere Rating:1 to1200A 110A to 200A 1.08"
Voltage Rating: 300Vac (or less)* 2.75"
(– 0.04)
Interrupting Rating:200,000A RMS Sym. 1.84" 2"
.406" .86" (– 0.04)
Agency Information: (Typ. 2)
1"
UL Listed, Std. 248-15, Class T, Guide JDDZ, File E4273 (– 0.04)
.609"
CSA Certified, C22.2 No. 248.15, Class 1422-02, File 53787 225A to 400A 801A to 1200A (Typ. 2)
Catalog Numbers ? Small, space-saving fuses provide a high degree of current
JJN-1 JJN-50 JJN-250 limitation on short-circuits for excellent component protection.
JJN-2 JJN-60 JJN-300 ? Commonly applied in electric heat circuits, load center,
JJN-3 JJN-70 JJN-350 disconnect switches, and meters.
JJN-6 JJN-80 JJN-400 ? The small size of the T-Tron fuses permits installation in
JJN-10 JJN-90 JJN-450 panelboards and control centers for system upgrading when
JJN-15 JJN-100 JJN-500 existing circuit breakers cannot safely interrupt larger available
JJN-20 JJN-110 JJN-600 short-circuit currents.
JJN-25 JJN-125 JJN-700 ? High speed of response for semiconductor protection.
JJN-30 JJN-150 JJN-800
JJN-35 JJN-175 JJN-1000
JJN-40 JJN-200 JJN-1200
JJN-45 JJN-225 —
Recommended fuseblocks for
Carton Quantity and Weight–JJN-T-TRON (300Vac) Class T 300V fuses
Catalog Carton Weight** See Data Sheet: 1115
Number Qty. Lbs. Kg.
1–30 10 0.12 0.054
35–60 10 0.23 0.104
70–100 5 0.36 0.163
110–200 1 0.14 0.063
225–400 1 0.25 0.113
450–600 1 0.44 0.200
700–800 1 0.80 0.363
1000–1200 1 1.45 0.658
*15-600A rated 160Vdc, 601-1200A rated 170Vdc and 10 KAIC.
**Weight per carton.
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.
Form No. JJN
Page 1 of 2
3-17-04 SB04092 Data Sheet: 1025Bussmann
?
T-Tron? Very Fast Acting Fuses JJN
Class T
300 Volts, 1-1200 Amps
600
400
200
100
60
30
15
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.
Form No.JJN
Page 2 of 2
Data Sheet: 1025
EREPMA
GNITAR
1200
800
SPMA
NI
TNERRUC
HGUORHT-TEL
KAEP

Bussmann JJN系列特快熔斷器是一種高效、快速響應(yīng)的電氣保護(hù)元件，專為工業(yè)和商業(yè)應(yīng)用設(shè)計(jì)。該產(chǎn)品線屬于Bussmann品牌，是德國(guó)Bussmann & Sohn GmbH公司生產(chǎn)的一種優(yōu)質(zhì)熔斷器解決方案。JJN系列的特點(diǎn)包括： 1. 快速動(dòng)作特性：JJN熔斷器具有極短的熔斷時(shí)間（milliseconds級(jí)），能夠在電流異常升高或過(guò)載時(shí)迅速切斷電路，從而有效防止設(shè)備損壞和火災(zāi)風(fēng)險(xiǎn)。 2. 高能效設(shè)計(jì)：采用先進(jìn)的滅弧技術(shù)和材料，確保在斷開故障電流時(shí)產(chǎn)生的熱量較低，有助于降低設(shè)備運(yùn)行過(guò)程中的電能損耗，并提高系統(tǒng)整體效率。 3. 寬廣的電流范圍：提供多種規(guī)格，適用于交流和直流電源的不同電壓等級(jí)和電流負(fù)載，滿足不同行業(yè)和應(yīng)用場(chǎng)景的需求，如電力電子、不間斷電源（UPS）、電機(jī)控制、照明等。 4. 穩(wěn)定性和可靠性：高質(zhì)量的制造工藝和嚴(yán)格的質(zhì)量控制確保了熔斷器在長(zhǎng)期使用中表現(xiàn)出穩(wěn)定的性能和良好的耐久性。 總之，Bussmann JJN特快熔斷器憑借其快速反應(yīng)能力、高能效特點(diǎn)以及廣泛的適用性，在電氣安全保護(hù)領(lǐng)域扮演著重要角色。選擇合適的熔斷器型號(hào)時(shí)，需依據(jù)具體的應(yīng)用條件和安全要求來(lái)進(jìn)行選型和配置。