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Chapter 9 Specifications
N2264A Multifunction Module
9
High-Current GP Relay Function
INPUT CHARACTERISTICS
Total Channels: 3
Maximum Voltage:
Terminal-Terminal or
Terminal-Chassis:
125 V dc or 200 V ac rms
Maximum Current:
Per Channel: 5 A, dc or ac rms
Maximum Power:
Per Channel: 150 W dc; 1250 VA ac
Thermal Offset:
Per Channel: < 3 µV
Initial Closed Channel
Resistance:
< 0.1 Ω
Relay Life:
Mechanical:
Electrical:
5 x 10
7
(at 180 cycles/minute)
10
5
(at rated load)
Time to Close One Channel: 16 mS
DC ISOLATION (with terminal block)
Open Channel,
Channel-Channel:
(with 1 channel closed)
< (40
o
C, 50% RH):
< (40
o
C, 80% RH):
> 10
10
Ω
> 10
9
Ω
Channel-Chassis:
(with 1 channel closed)
< (40
o
C, 50% RH):
< (40
o
C, 80% RH):
> 10
10
Ω
> 10
9
Ω
AC ISOLATION / PERFORMANCE
a
(without terminal block)
Capacitance:
(with 1 channel closed)
Open Channel, Channel-Channel:
Channel-Chassis:
< 10 pF
< 20 pF
Insertion Loss:
(with 50
Ω
termination)
100 kHz:
1 MHz:
10 MHz:
< 0.10 dB
< 0.20 dB
< 0.50 dB
Crosstalk:
(with 50
Ω
termination)
100 kHz:
1 MHz:
10 MHz:
< -70 dB
< -50 dB
< -30 dB
a. With chassis of all instruments connected, and with Lo Terminal of the input connected to Lo Terminal of the
output (either directly or via the 3499A/B/C switching channels).
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