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Current Ratings - General - for Flexible Cables

The indicated values stated in the following table considered as guiding values in an abbreviate form, extracted from DIN VDE 0298 part 4 and DIN VDE 0100 part 430. In critical situation the DIN VDE recommendations should be considered. For industrial machines the DIN VDE 0113, part 1 (EN 60204 part 1/IEC 204-1) is valid; for telephone and information systems DIN VDE 0891 part 1; for telephone aerial cables DIN VDE 0891 part 8 and for flat cables DIN VDE 0891 part 10. General terms and recommended values are contained in DIN VDE 0298 part 2 and part 4.

Power rating values for 1.5-120 mm² (group 3 up to 35 mm²) according to DIN VDE 0100 part 430 at an Ambient temperature up to 30°C
Nominal Cross-section mm² Group 1 Group 2 Group 3
Power
rating
A		 Protective
fuse
A		 Power
rating
A		 Protective
fuse
A		 Power
rating
A		 Protective
fuse
A
0.05 1 - 1 - 2 -
0.14 2 - 2 - 3.5 -
0.25 4 - 4.5 - 6 -
0.34 6 - 6 - 9 -
0.5 9 - 9 - 12 -
0.75 12 - 12 10 15 10
1 15 10 15 10 19 16
1.5 18 16 18 16 24 20
2.5 26 25 26 25 32 25
4 34 25 34 25 42 35
6 44 35 44 35 54 50
10 61 50 61 50 73 63
16 82 80 82 63 98 80
25 108 100 108 80 129 100
35 135 125 135 100 158 125
50 168 160 168 125 198 160
70 207 200 207 160 245 200
95 250 250 250 200 292 250
120 292 250 292 250 344 315
150 335 315 335 315 391 355
185 382 355 382 355 448 400
240 - - 453 425 528 500
300 - - 523 500 608 600
400 - - - - 726 630
Group 1 - One or more single conductor cables and insulated wires laid in duct i. e. PVC-sheathed single conductors H 03V /H 05V /H 07V .. according to VDE 0281.
Group 2 - Multi conductor cables, i. e. light PVC-sheathed cables, flexible
cables, metal-clad wiring cables in open or ventilated conduits.
Group 3 - Single conductor cables, laid open in air with a spacing at least equal to cable diameter, such as single conductor wiring for switch- and distribution cabinets and rail line distributors.

Conversion factors*) for deviating ambient temperatures:
Ambient temperature over 30°C
Ambient temperature Conversion factors, applied to the above current ratings table
Rubber Insulation
Permissible operating temp. at conductor conversion factors up to 60°C 		PVC Insulation
Permissible operating temp. at conductor conversion factors up to 70°C
30-35°C 0.91 0.94
35-40°C 0.82 0.87
40-45°C 0.71 0.79
45-50°C 0.58 0.71
50-55°C 0.41 0.61
55-60°C - 0.50
60-65°C - 0.35

Ambient temperature over 50°C (heat-resistant)
Conversion factors, applied to the above current ratings table
Permissible operating temp. at conductor conversion factors up to 90°C Permissible operating temp. at conductor conversion factors up to 110 °C
50-55°C 0.94 50-55°C 1.00
55-60°C 0.87 55-60°C 1.00
60-65°C 0.79 60-65°C 1.00
65-70°C 0.71 65-70°C 1.00
70-75°C 0.61 70-75°C 1.00
75-80°C 0.50 75-80°C 1.00
80-85°C 0.35 80-85°C 0.91
85-90°C - 85-90°C 0.82
  90-95°C 0.71
95-100°C 0.58
100-105°C 0.41
105-110°C -
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Sealcon is the Exclusive Importer of HUMMEL products. We offer over 6,000 different Types and Sizes of RoHS Compliant Liquid Tight Strain Relief Fittings, Cord Grips, Cable Glands, Circular Connectors, Conduit System, Industrial Enclosures and Other Related Cable Management Products which are rated the best in the industry.
Liquid Tight Strain Relief, Cord Grips, Cable Gland FittingsLiquid Tight Strain Relief Fittings, Cord Grips, Cable Glands
Threads: PG, NPT, Metric, BSPP Threads
Materials: Nylon, Nickel Plated Brass, PVDF (for chemicals and extreme temperatures) & Stainless Steel, NEMA 4x and 6 (IP68, IP 69K).
Approvals: RoHS, Deca BDE, UR, UL, CE, CSA, VDE, German Lloyd, etc.
UL f1 (UL 746C) - Suitable for outdoor use with respect to exposure to ultraviolet light, water exposure and immersion in accordance with UL 746C
Circular ConnectorsCircular Connectors (M16, M23, RJ45, M27 and M40)
Sizes: M16 Signal, M23 Signal & Power, M27 Signal, M40 Power, M12/16 Twintus
Types: Twintus, RJ45 Industrial Ethernet, PoE Fast Ethernet, Push-Pull, Stainless Steel, Over Molded Cordsets, Standard/EMI Ready
Configurations: Signal (3-28 pole) & Power (6 & 8 pole)
Materials: Nickel Plated Brass, Stainless Steel and Aluminum
Approvals: RoHS, Deca BDE, UR, UL, CSA, TÜV, etc.
Hummel EnclosuresIndustrial Enclosures (Plastic & Metal)
Materials: Polycarbonate, ABS (Acryl-Butadiene-Styrene), Aluminum, Steel/Stainless Steel and Polyester.
Types: Gray or Transparent Lids, available with Hinges and Latches, Plain Walls or Knockouts.
Approvals: RoHS, Deca BDE, UL, CSA, TUV and CE. Modular, Expandable, UV and Impact Resistant, NEMA 4, 4x (IP 66/67). Solar Plus for Photovoltaic applications.
Our Enclosures can be equipped with Strain Relief Fittings, Circular Connectors or Conduit Fittings. Other customization options like cutting & drilling are also available.
Conduit SystemConduit System
High Pull-Out Resistance, Robust Performance, Long Life Expectancy, Fastest/ Easy installation, No Tools required!
Fittings: Push-In, Turn-to-Seal, Snapclic DUO (Nylon or Nickel Plated Brass), Double-Seal, Flange/Bulkhead
Conduit: Standard and Super Flex Corrugated Conduit
Accessories: Snap-In Mounting Brackets. NEMA 4 (IP 54/65)
Approvals: RoHS, Deca BDE, UR, German Lloyd, CE, etc.
Hazardous Location / Explosive Proof Cord Grips, Cable GlandsHazardous Location / Explosive Proof Cord Grips, Cable Glands
These fittings are labeled and approved to withstand the required needs of a combustible environment.
Materials: Nylon, Nickel Plated Brass, PVDF (chemical resistant & extreme temperatures), Stainless Steel.
Threads: NPT, Metric & PG. NEMA 4x (IP 67) and 6 (IP 68/69K)
Approvals: RoHS, Deca BDE, UL, CSA, VDE, CE, EEx e, ATEX, German Lloyd, IECEx,
Ex-d/Ex-e, Ex-i
EXIOS - High-end Cable Glands for armored cables in hazardous areas including the latest IECEx and ATEX certifications, for use in Ex-e, Ex-d and Ex-tD areas
Adapters, Enlargers, ReducersThread Adapters, Enlargers, Reducers
Convert, Increase or Decrease your thread size with our newest product line of Adapters, Enlargers and Reducers.
Threads: NPT, Metric and PG.
Materials: Black or Gray Nylon, Nickel Plated Brass, Aluminum, Stainless Steel.
Approvals: RoHS, Deca BDE, CE, EEe x, ATEX, etc.
Hazardous / Explosive proof versions available.
Cable AccessoriesCable Accessories
Locking Nuts:Black & Gray Nylon, Nickel Plated Brass, Zinc Plated Steel, EMI (w/ Cutting Edges)
O-Rings: Buna-N, Viton®, Silicone
Seal Rings: Polyethylene / Fiber-reinforced Plastic
Hole Plugs: Dome, Hex, Nylon, Nickel Plated Brass
Inserts: Standard, Reduced, Multi-Hole, Romex®
Other Accessories: Ratchet & Socket Wrenches, Cable Clamps, etc.
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