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Vacuum Relays, 3PDT and 4PDT types

Jennings RB4 glass vacuum relay

4 pole, double throw (4PDT), with FOUR sets or SPDT contacts in a single relay! Full part number is RB4-26N865.   Coil is 26 VDC, and 131 ohms. Close equivalent to the Kilovac H-26, which we sometimes also stock. 4 sets of SPDT contacts, each rated 20 amps maximum, at 15 kv operating, 17 kv peak!! For those REALLY high current applications, you may parallel all four contact sets for approximate equivalent to a SPDT relay rated at  80 amps, 17 kv peak! Length overall is 4.12 inches, not including coil terminals. 2.63 inches diameter excluding optional high current terminals. Has 1.375 inch OD threaded base with nut for panel mounting.

**NOTE: Furnished with optional "high current" terminals, as shown! These are the largest ones available to our knowledge, and are furnished at no additional charge. These heavy duty terminals increase (slightly) the relay's maximum current handling capability. These terminals use 1/16" hex screws. (Most types of high current terminals on vacuum relays use Bristol spline screws.)

**Max-Gain Systems, Inc. is a FULL LINE distributor of genuine Bristol spline products, should you need them for other relays.

** Removed from equipment, checked, and guaranteed.
Price: 
$195 each (Order Now!)


Replacement Coils and Contact Sets

When a vacuum relay fails, it is of course very rare for both the removable coil and the contact set to both fail at the same time. Lightning damage is normally the only cause of simultaneous failure. The coil is easily removable by means of a screw or nut on the very bottom of the relay. This leaves the contact set (with contacts still sealed in a vacuum). The failed component can be easily replaced at well less than the cost of an entire new unit. 

We have a good assortment of coils (All are 26.5 vdc coils unless specifically noted otherwise.) And contact sets available as listed below:

COILS:          

Kilovac H-8..........$12.50  Jennings RB1D.........$12.50  Jennings RE6B.....$29.00
Kilovac H-9..........$29.00 Jennings RB-3..........$29.00 Jennings RS-8........$49.00
Kilovac H-14.......$29.00 Jennings RB-4.........$49.00  
Kilovac H-16........$29.00  Jennings RJ-2.........$49.00  

CONTACT SETS:

Jennings RJ1A Price: $22.50 each
Kilovac HC-1 Price: $22.50 each
Kilovac H-12 Price: $15.00 each


Ordering:

To order, use our secure online order form, or call us Monday through Friday 8 AM-5 PM Eastern time at 770-973-6251.

You may also print the order form using your browser's print button and fax your order to us at 815-461-7730. PLEASE give us your email address so that we can easily contact you in case we have a question.

Visa and Mastercard accepted!


RF and Microwave Components Online Catalog
 

 

 

 

 

 

 

 

 

 

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