CA07074E_Above Ground Enclosures

Cable Accessories

Deadbreak Junctions

# of Positions

600A

900A

2 3 4

635J2U 635J3U 635J4U

935J2U 935J3U 935J4U

RATINGS

Max. continuous voltage

: 21.1 kV phase-to-ground 36.6 kV phase-to-phase

Continuous current (Aluminum components)

: 600 A rms

SHORT-TIME CURRENT RATINGS

0.17 seconds duration 3.00 seconds duration

: 25,000 A rms symmetrical

: 10,000 A rms symmetrical

INSULATION WITHSTAND VOLTAGES

Basic Impulse Level (1.2 x 50 µ sec.\wave) 60 Hertz (one minute) Corona Extinction Voltage (5 pC)

: 150 kV crest

: 50 kV rms

: 26 kV rms

OVERLOAD CURRENT

4 hour rating

: 900 A rms

Features • Current carrying components are aluminum for 600A and copper for 900A • Available for 150 and 200 kV BIL

PRODUCTION TESTS 100% factory test for partial discharge and either AC HI-POT (50 kV for 60 seconds) or impulse (BIL) (150 kV 1.2 x 50 µ sec.\wave).

Tapmaster TM Multi-Point Junction

The 25/28 kV Junction offers a complete change in design approach, addressing the issues of space savings in vaults and enclosures, mounting flexibility and the flexibility of locating parking stands to accept accessory products required to operate and maintain a distribution system.

3.4.5. or 6 pt junction with any configuration of 600 A interfaces and 200 A wells needed for any project.

6 2 8 T M

Hubbell Product Prefix

6 = ANSI 600 A Interface 2 = ANSI 200 A Well Interface Blank = Neither

B = With Bracket U = With U-Straps

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