Relay question

[Mike Stein]

> I still think I need a latching relay for the "switching"

Well, yes, the sequencing (impulse) relay that Brian pointed you at:
http://store.acradiosupplyinc.com/nterly7742relay-dpdt15a12vdc.aspx

There are more 'industrial' versions but they tend to be more expensive; 
e.g.:
http://www.digikey.ca/product-detail/en/S89R11APP1-120/PB515-ND/365948

http://magnecraft.thomasnet.com/item/relays/relays-latching-sequencing/pn-3160?&plpver=1004&origin=keyword&by=prod&filter=0

m

----- Original Message ----- 
From: "Jim Brain" <brain at jbrain.com>
To: <General at classiccmp.org>; "Discussion at classiccmp.org:On-Topic and
Off-Topic Posts" <cctalk at classiccmp.org>
Sent: Friday, November 28, 2014 9:40 PM
Subject: Re: Relay question


> On 11/28/2014 7:01 PM, Mike Stein wrote:
>> Can you use a double pole button, use one pole to switch the relay and
>> the other to control the current through the contacts?
> I still think I need a latching relay for the "switching"
>