HRS 7.92 mm Contact Pitch, High-Current Connectors for Internal Power Supplies (UL, C-UL and TÜV Listed) DF22 Series Owner's Manual and User Guide
Summary
The DF22 series are high-current, fully enclosed locking connectors designed for maximum reliability in demanding applications like industrial power supplies and medical equipment. Engineered to handle up to 30A with absolute safety, these connectors feature built-in elements that prevent incorrect connections and guard against short circuits between adjacent contacts. The accompanying manual provides comprehensive coverage of electrical specs (UL/C-UL/TÜV listed), detailed assembly instructions through specialized crimping tools, and best practices for installation, ensuring robust performance in every circuit.
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7.92 mm Contact Pitch, High-Current Connectors for Internal Power Supplies (UL, C-UL and TÜV Listed)
DF22 Series
Complete Locking
Completely
Function enclosed
locking system
Protection from shorts circuits between adjacent Contacts
■Features Prevention of Incorrect Connections 1. 30 A maximum current Single position connector can carry current of 30 A with #10 AWG conductor. Please refer to Table #1 for current ratings for multi-
●R Type (Guide key: right side, Color: black)
position connectors using other conductor sizes. 2. Complete Locking Function Reliable interior lock protects mated connectors from accidental disconnection. 3. Prevention of Incorrect Connections To prevent incorrect connection when using multiple connectors having the same Number of contacts, 3 product types having different mating configurations are available. 4. Molded-in contact retention tabs Handling of terminated contacts during the crimping is easier
●Standard Type (Guide key: inside, Color: natural)
and avoids entangling of wires, since there are no protruding metal tabs. 5. Prevention of incorrect board placement Built-in posts assure correct connector placement and orientation on the board. 6. Supports encapsulation Connectors can be encapsulated up to 10 mm without affecting the performance. 7. Prevention of Short Circuits Between Adjacent Contacts Each Contact is completely surrounded by the insulator
●L Type (Guide key: left side, Color: red)
housing electrically isolating it from adjacent contacts. 8. Increased Retention Force of Crimped Contacts and confirmation of complete contact insertion Separate contact retainers are provided for applications where extreme pull-out forces may be applied against the wire or when a visual confirmation of the full contact insertion is required. 9. Full Line of Crimp Socket Contacts Realizing the market needs for multitude of different applications, Hirose has developed several variants of crimp socket contacts and housings. *The photographs on the left show header (the board dip side), Continuous development is adding different variations. Contact your
the photographs on the right show the socket (cable side).
nearest Hirose Electric representative for latest developments.
*The guide key position is indicated in position facing
10. In-line Connections the mating surface of the header. Connectors can be ordered for in-line cable connections. In addition, assemblies can be placed next to each other allowing 4 position total ■Applications (2 ∞ 2) in a small space.
Office equipment, power supplies for industrial, medical and instrumentation applications, variety of consumer
11. Listed by UL, C-UL, and TÜV.
electronic, and electrical applications.
Page Summary Contents For HRS 7.92 mm Contact Pitch, High-Current Connectors for Internal Power Supplies (UL, C-UL and TÜV Listed) DF22 Series Owner's Manual and User Guide
Manual Details
| Brand | Current |
|---|---|
| Pages | 15 |
| File Size | 549.70 KB |
| Published | June 03, 2026 |
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Frequently Asked Questions
What is the maximum current capacity for a single position connector?
A single position connector can carry up to 30 A using #10 AWG conductor.
How are accidental disconnections prevented in this series?
It features a complete locking function with an interior lock that protects mated connectors from accidental disconnection.
Does the design prevent incorrect board placement or connections?
Yes, built-in posts assure correct connector placement on the board, and specific product types prevent incorrect connection pairing.
What is the operating temperature range for these connectors?
The operating temperature range is -35°C to 85°C.