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1260-X121 User Manual
Specifications 1-2
Racal Instruments
©
2005
The 1260-X121 is a 20-channel single-wire switch consisting of 20
individual SPST relay switches and 10 1X2 switches by software
configuration. The 1260-X121 plug-in fits into a 1260-100X Adapt-
a-Switch Carrier.
Specifications
Bandwidth (-3dB)
>300KHz
Insertion Loss
300 KHz
< 2dB
Isolation
DC to 100 KHz
> 60dB
100 to 300 KHz
> 50dB
Crosstalk
DC to 100 KHz
< -60dB
100 to 300 KHz
< -50dB
Switching Voltage
AC
440V,
Max
DC
230V,
Max
Switching Current
AC
10A,
Max.
DC
10A,
Max
Switching Power
AC
2500VA,
Max
DC
300W,
Max
Path resistance
< 100m
Ω
Capacitance
Channel-Chassis
<
20pF
Open-Channel <
20pF
Insulation resistance
> 10
9
Ω
Impulse Withstand Voltage >1,000V
Relay Settling Time
< 15ms
Maximum Power Dissipation
60W
Cooling (25% Relays energized operating at full rated current)
4.27 Liters/sec @ 0.39 mmH
2
O