[Amps] Vac relay coils in series ?

[MU 4CX250B]

Me also. I’ve had one coil failure caused by my clumsy effort to clean
a coil terminal, and one stuck NC contact, likely caused by my trying
to switch a DC voltAge (the RJ1A is intended for RF switching only. )
73,
Jim w8zr

Sent from my iPhone

> On Mar 17, 2022, at 6:36 AM, N1BUG <paul at n1bug.com> wrote:
>
> Me too. Never had a coil fail but have had contacts fail on RJ1A relays.
>
> 73,
> Paul N1BUG
>
>
>> On 3/17/22 08:33, Roy wrote:
>> Same here...
>> 73, Roy  K6XK
>>> On 3/16/2022 4:46 PM, Jim W7RY wrote:
>>> Ive never had a coil fail on one of these types of vacuum relays.
>>>
>>> Had a NC contact fail on a RJ1A.
>>>
>>> 73, Jim W7RY
>>>
>>>> What is the 'normal'  failure mode for a vac relay ?   Is it the coil that
>>>> goes open, or does the armature inside  bind up, and then stuck ?
>>>>
>>>>
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