Keithley Instruments
28775 Aurora Road
Cleveland, Ohio 44139
1-800-935-5595
S46T Microwave Switch System
High Performance Relay Installation Guide
PA-913 Rev. B / December 2019
*PPA-913B*
1
Introduction
This guide contains information on S46T relay installation and system configuration that is necessary after
installing new relays. To install a relay, refer to
(on page 1) for a description of the kits and follow the
applicable installation instructions.
Relay kits
Connection and wiring procedures in this document are intended for use by qualified
personnel only. Do not perform these procedures unless qualified to do so. Failure to
recognize and observe normal safety precautions could result in personal injury or death.
Use only the parts specified in the following table when servicing equipment. Use of improper
parts may expose the operator to hazardous voltages that could result in personal injury or
death.
Relay kit
model number
(Description)
Relay
location
Kit parts summary
(Quantity)
Keithley part
number
Installation
reference
S46T-SPDT-KIT
(18 GHz SPDT)
1 to 8
SPDT unterminated relay (1)
SPDT spacer (1)
Connecting cable (1)
S40-0154
S40-SE05-307
SYS46-311C
(on page 3)
S46T-SP4T-KIT
(18 GHz SP4T)
A to D
4-40 x 3/16 PPHSEM screws (2)
4-40 x 3/8 PFH screws (4)
SP4T relay (1)
Ribbon cable (1)
Mounting plate (1)
4-40 x 3/16 PPHSEM
4-40 x 3/8 PFH
RL-282-2
CA-286-1
S40-N410-312
(on page 6)
S46T-SP6T-KIT
(18 GHz SP6T)
A to D
4-40 x 3/16 PPHSEM screws (2)
4-40 x 3/8 PFH screws (4)
SP6T unterminated relay (1)
Ribbon cable (1)
Mounting plate (1)
4-40 x 3/16 PPHSEM
4-40 x 3/8 PFH
RL-282-1
CA-286-1
S40-N410-312
(on page 6)
S46T-SPDT-KIT-26
(26.5 GHz SPDT)
1 to 8
SPDT unterminated relay (1)
SPDT spacer (1)
Connecting cable (1)
RL-308
S40-SE05-307
SYS46-311C
(on page 3)
