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Ultra-rapid fuses, DC (URDC)

Ultra-rapid fuses, DC (URDC)
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Ultra-rapid fuses, DC (URDC)

Product catalog summary
Overview
SIBA provides a comprehensive range of DC application traction fuses tailored for heavy-duty applications such as traction, battery, and railway power circuits. These fuses are available in classes aR, gR, and gRL, with voltage ratings from DC 440 V to DC 4200 V and current ratings from 6 A to 1000 A. They adhere to standards including UIC 550, IEC 60269-4, IEC 60077-5, and VDE 0636-40.
Specifications
  • Voltage Ratings: DC 440 V to DC 4200 V
  • Current Ratings: 6 A to 1000 A
  • Standards: UIC 550, IEC 60269-4, IEC 60077-5, VDE 0636-40
  • Design: Suitable for heavy-duty applications, shock and vibration tested to 30 g, available with microswitches, customizable to customer specifications, tested with various time constants
Features and Benefits
  • Long lifespan under severe service conditions
  • Available in clip-mounted and bolt-design
Selection Guide
The document includes a detailed selection guide for fuse-links, fuse-holders, micro switches, and fuse-clips, with part numbers, rated voltages, and technical data pages.
Technical Data
Detailed technical data is provided for various fuse sizes, including rated voltage, breaking test voltage, class, standard, rated breaking capacity, power loss, pre-arcing, and total l2t-value.
Dimensions
Dimensions for different fuse sizes are specified, including configurations with and without strikers.
Time-Current Characteristics
Time-current characteristics are detailed for various fuse sizes, providing information on virtual pre-arcing time and RMS prospective current.
Applications
These fuses are designed for use in traction, battery, and railway power circuits, capable of withstanding heavy-duty conditions and ensuring reliable performance.
Fuse Models
  • SQB-DC90: Rated currents from 50 A to 160 A
  • SQB-DC91: Rated currents from 160 A to 250 A
  • SQB-DC92: Rated currents from 250 A to 400 A
  • SQB-DC93: Rated currents from 450 A to 700 A
  • SQB-DC93-2: Rated currents from 900 A to 1400 A
Electrical Characteristics
  • Includes power loss, pre-arcing, and total l2t-values at DC 1000 V with L/R = 10 ms
  • Time-current characteristics for heavy-duty applications
Additional Features
  • Some fuses are suitable for B-switch fitting and available with or without MS-Adapters
  • Fuses available with indicators or strikers for specific models
Additional Specifications
  • Size: 22 x 58 mm
  • Part Numbers: Various configurations including micro switch options
  • Power Acceptance: 12 W
  • Rated Voltage: ZS-Modul AC 690 V
Fuse Specifications
  • Fuse-Holder: For fuse-links with cylindrical contact caps
  • Rated Current: 63 A
  • Part Number: 91 080 01
  • Rated Power Acceptance: 15 W
  • Maximum Connecting Cable: 50 mm²
  • Tightening Torque: 10 Nm
  • Weight: 1 kg
Standards and Dimensions
  • Size: 20 x 127 mm
  • Rated Voltage: 1500 V
  • Standards: IEC 60947: AC20B, DC20B; IEC 60269; IP 20
Additional Information
Website: www.siba.de
See more

Catalog excerpts

Ultra-rapid fuses, DC (URDC)-1

4. Kapitel URDC neu table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:16.00pt "Arial Black", sans-serif; } .font1 { font:21.00pt "Franklin Gothic Medium", sans-serif; } .font2 { font:35.00pt "Impact", sans-serif; } .font3 { font:5.00pt "Microsoft Sans Serif", sans-serif; } .font4 { font:11.00pt "Microsoft Sans Serif", sans-serif; } .font5 { font:16.00pt "Microsoft Sans Serif", sans-serif; } .font6 { font:18.00pt "Microsoft Sans Serif", sans-serif; } .font7 { font:21.00pt "Microsoft Sans Serif", sans-serif; } URDC SICHERUNGEN/FUSES on Fuse Classes: Voltage ratings: aR/gR/gRL DC 440 V to DC 4200 V Current ratings: 6 A to 1000 A Standards: UIC 550 IEC 60269-4 IEC 60077-5 VDE 0636-40 I SIBA-DC-Fuses are available for clip-mounted and bolt-design. The fuses are used for traction-, bat-tery-, and railway-power-circuit applications. Due to the variety of applications please contact SIBA for information regarding use at different voltage ratings, classes or L7R's. Features / Benefits H Designed for heavy duty applications B Shock and vibration tested to 30 g H Several types with additional microswitches H Developed according to customers specifications B Tested with different time constants B Designed for long life under severe service conditions www.siba.de

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Ultra-rapid fuses, DC (URDC)-20

2. Kapitel URB neu table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:8.00pt "Arial", sans-serif; } .font1 { font:7.00pt "Lucida Sans Unicode", sans-serif; } .font2 { font:8.00pt "Lucida Sans Unicode", sans-serif; } .font3 { font:11.00pt "Lucida Sans Unicode", sans-serif; } .font4 { font:13.00pt "Lucida Sans Unicode", sans-serif; } .font5 { font:20.00pt "Lucida Sans Unicode", sans-serif; } URDC Size Rated Voltage Breaking Test Voltage Class Standard SQB-DC91 DC 900 V DC 1000 V gR IEC 60077-5/UIC 550 Rated Current [A] Part No. without MS-Adapter Part No. with MS-Adapter*...

 Open the catalog to page 20
Ultra-rapid fuses, DC (URDC)-21

4. Kapitel URDC neu table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:5.00pt "Arial", sans-serif; } .font1 { font:7.00pt "Arial", sans-serif; } .font2 { font:8.00pt "Arial", sans-serif; } .font3 { font:10.00pt "Arial", sans-serif; } .font4 { font:11.00pt "Arial", sans-serif; } .font5 { font:12.00pt "Arial", sans-serif; } .font6 { font:13.00pt "Arial", sans-serif; } .font7 { font:17.00pt "Arial", sans-serif; } (SBςl SICHERUNGEN/FUSES ^^^^^^^^ Electrical Characteristics Size Rated Voltage Breaking Test Voltage Class Rated Breaking Capacity SQB-DC91 DC 900 V DC 1000...

 Open the catalog to page 21
Ultra-rapid fuses, DC (URDC)-22

4. Kapitel URDC neu table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:8.00pt "Arial", sans-serif; } .font1 { font:11.00pt "Arial", sans-serif; } .font2 { font:12.00pt "Arial", sans-serif; } .font3 { font:13.00pt "Arial", sans-serif; } Size Rated Voltage Breaking Test Voltage Class Standard SQB-DC91 DC 900 V DC 1000 V gR IEC 60077-5/UIC 550 Rated Current [A] Part No. without MS-Adapter Part No. with MS-Adapter* Weight [kg/1] Pack 160 90 360 20.160 90 360 21.160 1.1 1 200 90 360 20.200 90 360 21.200 1.1 1 250 90 360 20.250 90 360 21.250 1.1 1 *) suitable for B-switch...

 Open the catalog to page 22
Ultra-rapid fuses, DC (URDC)-23

4. Kapitel URDC neu table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:5.00pt "Arial", sans-serif; } .font1 { font:7.00pt "Arial", sans-serif; } .font2 { font:8.00pt "Arial", sans-serif; } .font3 { font:10.00pt "Arial", sans-serif; } .font4 { font:11.00pt "Arial", sans-serif; } .font5 { font:12.00pt "Arial", sans-serif; } .font6 { font:13.00pt "Arial", sans-serif; } .font7 { font:17.00pt "Arial", sans-serif; } (SBςl SICHERUNGEN/FUSES ^^^^^^^^ Electrical Characteristics Size Rated Voltage Breaking Test Voltage Class Rated Breaking Capacity SQB-DC91 DC 900 V DC 1000...

 Open the catalog to page 23
Ultra-rapid fuses, DC (URDC)-24

4. Kapitel URDC neu table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:5.00pt "Arial", sans-serif; } .font1 { font:7.00pt "Arial", sans-serif; } .font2 { font:8.00pt "Arial", sans-serif; } .font3 { font:10.00pt "Arial", sans-serif; } .font4 { font:11.00pt "Arial", sans-serif; } .font5 { font:12.00pt "Arial", sans-serif; } .font6 { font:13.00pt "Arial", sans-serif; } .font7 { font:13.50pt "Arial", sans-serif; } .font8 { font:17.60pt "Arial", sans-serif; } .font9 { font:5.00pt "Lucida Sans Unicode", sans-serif; } URDC Size Rated Voltage Breaking Test Voltage Class Standard...

 Open the catalog to page 24
Ultra-rapid fuses, DC (URDC)-25

4. Kapitel URDC neu table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:18.00pt "Arial", sans-serif; } .font1 { font:5.00pt "Microsoft Sans Serif", sans-serif; } .font2 { font:8.00pt "Microsoft Sans Serif", sans-serif; } .font3 { font:12.00pt "Microsoft Sans Serif", sans-serif; } .font4 { font:13.00pt "Microsoft Sans Serif", sans-serif; } (SBςl SICHERUNGEN/FUSES ^^^^^^^^ Electrical Characteristics Size Rated Voltage Breaking Test Voltage Class Rated Breaking Capacity SQB-DC92 DC 900 V DC 1000 V gR 100 kA** Rated Current [A] Part No. without MS-Adapter Part No. with...

 Open the catalog to page 25
Ultra-rapid fuses, DC (URDC)-26

4. Kapitel URDC neu table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:8.00pt "Arial", sans-serif; } .font1 { font:11.00pt "Arial", sans-serif; } .font2 { font:12.00pt "Arial", sans-serif; } .font3 { font:13.00pt "Arial", sans-serif; } .font4 { font:21.00pt "Franklin Gothic Medium", sans-serif; } URDC Size Rated Voltage Breaking Test Voltage Class Standard SQB-DC92 DC 900 V DC 1000 V gR IEC 60077-5/UIC 550 Rated Current [A] Part No. without MS-Adapter Part No. with MS-Adapter* Weight [kg/1] Pack 250 90 370 20.250 90 370 21.250 1.26 1 315 90 370 20.315 90 370 21.315...

 Open the catalog to page 26

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.