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For Eaton’s Bussmann series product information, call 400 629 1869 or visit Eaton.com/bussmannseries
Basic information
? Designed to:
? GB/T 13539.7
Application:
? Can be used in downstream of breaker/switch to protect
DC power system and battery switchgear.
? Screws installation
? Breaking capacity: 100KA
Specifications:
Eaton’s Bussmann series Datacenter fuse for the?
protection the electrical systems up to 1000 Vdc of
ratings 400/500/630 amps.
? Volts - 1000 Vdc
? Amps – 630A
Interrupting rating
? Max 100KA
? Min 12In
? Amps – 400A/500A
Interrupting rating
? Max 100KA
? Min 8In
Version 1 Apr 29, 2026
This document is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Eaton reserves the right,
without notice, to change design or construction of any products or discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any
technical information contained in this document. Once a product has been selected, it should be tested by the user in all possible applications. The information contained in this document is
correct at the time of publication, but we reserve the right to supply products differing in construction or performance.
For Eaton’s Bussmann series product information, call 400 629 1869 or visit Eaton.com/bussmannseries
Dimension: -mm
Technical Parameter
This document is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Eaton reserves the right,
without notice, to change design or construction of any products or discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any
technical information contained in this document. Once a product has been selected, it should be tested by the user in all possible applications. The information contained in this document is
correct at the time of publication, but we reserve the right to supply products differing in construction or performance.
P/N Current
Rating (A)
Voltage
Rating (V)
Pre-arcing I2t
(A2s)
Total I2t
(A2s)
Power
Loss at In Type
DD1S2J-400I 170M4243-C 400 1000Vdc 34,700 205,000 106
DD1S2J-500I 170M4245-C 500 1000Vdc 68,600 406,000 118
DD1S2J-630I 170M4247-C 630 1000Vdc 132,000 782,000 135
Version 1 Apr 29, 2026
For Eaton’s Bussmann series product information, call 400 629 1869 or visit Eaton.com/bussmannseries
T-C Curves
Version 1 Apr 29, 2026
This document is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Eaton reserves the right,
without notice, to change design or construction of any products or discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any
technical information contained in this document. Once a product has been selected, it should be tested by the user in all possible applications. The information contained in this document is
correct at the time of publication, but we reserve the right to supply products differing in construction or performance.
For Eaton’s Bussmann series product information, call 400 629 1869 or visit Eaton.com/bussmannseries
Basic information
? Designed to:
? GB/T 13539.7
Application:
? Can be used in downstream of breaker/switch to protect
DC power system and battery switchgear.
? Screws installation
? Breaking capacity: 100KA
Specifications:
Eaton’s Bussmann series Datacenter fuse for the?
protection the electrical systems up to 1000 Vdc of
ratings 630/800 amps.
? Volts - 1000 Vdc
? Amps – 630/ 800A
Interrupting rating
? Max 100KA
? Min 8In
This document is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Eaton reserves the right,
without notice, to change design or construction of any products or discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any
technical information contained in this document. Once a product has been selected, it should be tested by the user in all possible applications. The information contained in this document is
correct at the time of publication, but we reserve the right to supply products differing in construction or performance.
Version 1 Apr 29, 2026
For Eaton’s Bussmann series product information, call 400 629 1869 or visit Eaton.com/bussmannseries
Dimension: -mm
Technical Parameter
This document is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Eaton reserves the right,
without notice, to change design or construction of any products or discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any
technical information contained in this document. Once a product has been selected, it should be tested by the user in all possible applications. The information contained in this document is
correct at the time of publication, but we reserve the right to supply products differing in construction or performance.
P/N Current
Rating (A)
Voltage
Rating (V)
Pre-arcing I2t
(A2s)
Total I2t
(A2s)
Power
Loss at In
(W)
Type
DD1S3J-630I 170M5246-C 630 1000Vdc 110,000 677,000 134
DD1S3J-800I 170M5248-C 800 1000Vdc 245,000 1,500,000 145
Version 1 Apr 29, 2026
For Eaton’s Bussmann series product information, call 400 629 1869 or visit Eaton.com/bussmannseries
T-C Curves
Version 1 Apr 29, 2026
This document is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Eaton reserves the right,
without notice, to change design or construction of any products or discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any
technical information contained in this document. Once a product has been selected, it should be tested by the user in all possible applications. The information contained in this document is
correct at the time of publication, but we reserve the right to supply products differing in construction or performance.
For Eaton’s Bussmann series product information, call 400 629 1869 or visit Eaton.com/bussmannseries
Basic information
? Designed to:
? GB/T 13539.7
Application:
? Can be used in downstream of breaker/switch to protect
DC power system and battery switchgear.
? Screws installation
? Breaking capacity: 100KA
Specifications:
Eaton’s Bussmann series Datacenter fuse for the?
protection the electrical systems up to 1000 Vdc of
ratings 1000 amps.
? Volts - 1000 Vdc
? Amps – 1000A
Interrupting rating
? Max 100KA
? Min 8In
This document is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Eaton reserves the right,
without notice, to change design or construction of any products or discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any
technical information contained in this document. Once a product has been selected, it should be tested by the user in all possible applications. The information contained in this document is
correct at the time of publication, but we reserve the right to supply products differing in construction or performance.
Version 1 Apr 29, 2026
For Eaton’s Bussmann series product information, call 400 629 1869 or visit Eaton.com/bussmannseries
Dimension: -mm
Technical Parameter
This document is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Eaton reserves the right,
without notice, to change design or construction of any products or discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any
technical information contained in this document. Once a product has been selected, it should be tested by the user in all possible applications. The information contained in this document is
correct at the time of publication, but we reserve the right to supply products differing in construction or performance.
P/N Current
Rating (A)
Voltage
Rating (V)
Pre-arcing I2t
(A2s)
Total I2t
(A2s)
Power
Loss at In
(W)
Type
DD1S4J-1000I 170M6248-C 1000 1000Vdc 564,000 2,940,000 188
Version 1 Apr 29, 2026
For Eaton’s Bussmann series product information, call 400 629 1869 or visit Eaton.com/bussmannseries
T-C Curves
Version 1 Apr 29, 2026
This document is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Eaton reserves the right,
without notice, to change design or construction of any products or discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any
technical information contained in this document. Once a product has been selected, it should be tested by the user in all possible applications. The information contained in this document is
correct at the time of publication, but we reserve the right to supply products differing in construction or performance.
For Eaton’s Bussmann series product information, call 400 629 1869 or visit Eaton.com/bussmannseries
Basic information
? Designed to:
? GB/T 13539.7
Application:
? Can be used in downstream of breaker/switch to protect
DC power system and battery switchgear.
? Breaking capacity: 100KA
Specifications:
Eaton’s Bussmann series Datacenter fuse for the?
protection the electrical systems up to 1000 Vdc of
ratings 1250/1600 amps.
? Volts - 1000 Vdc
? Amps – 1250A/1600A
Interrupting rating
? Max 100KA
? Min 8In
This document is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Eaton reserves the right,
without notice, to change design or construction of any products or discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any
technical information contained in this document. Once a product has been selected, it should be tested by the user in all possible applications. The information contained in this document is
correct at the time of publication, but we reserve the right to supply products differing in construction or performance.
Version 1 Apr 29, 2026
For Eaton’s Bussmann series product information, call 400 629 1869 or visit Eaton.com/bussmannseries
Dimension: -mm
Technical Parameter
This document is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Eaton reserves the right,
without notice, to change design or construction of any products or discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any
technical information contained in this document. Once a product has been selected, it should be tested by the user in all possible applications. The information contained in this document is
correct at the time of publication, but we reserve the right to supply products differing in construction or performance.
Version 1 Apr 29, 2026
P/N Current
Rating (A)
Voltage
Rating (V)
Pre-arcing I2t
(A2s)
Total I2t
(A2s)
Power
Loss at In
(W)
Type
DD1S5P-1250I 170M7216-C 1250 1000Vdc 573,000 3,670,000 207
DD1S5P-1600I 170M7675-C 1600 1000Vdc 1,180,000 7,570,000 236
For Eaton’s Bussmann series product information, call 400 629 1869 or visit Eaton.com/bussmannseries
T-C Curves
Version 1 Apr 29, 2026
This document is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Eaton reserves the right,
without notice, to change design or construction of any products or discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any
technical information contained in this document. Once a product has been selected, it should be tested by the user in all possible applications. The information contained in this document is
correct at the time of publication, but we reserve the right to supply products differing in construction or performance.
