Characteristics and Specifications 3
U2751A User’s and Service Guide 41
Product Specifications
Table 3-3 Electrical and mechanical specifications update per attached data sheet
U2751A
Without U2922A Terminal Block With U2922A Terminal Block
Channels/configurations 48, 2-wire
Switch type Armature latching
Input characteristics (per channel)
Max volts
1
Standalone
Modular (Used with U2781A)
42 VDC/35 Vrms
180 VDC/180 Vrms
Max transient voltage 300 Vrms
Max current
Switch current
Carry current
2 A
2 A
Power (W, VA)
2
60 W, 62.5 VA
Volt-Hertz limit 10
8
General specifications
Thermal emf (differential) <3 V
Initial closed channel resistance <1.5
DC isolation (ch-ch, ch-earth) >10 G
AC characteristics
Bandwidth
3
45 MHz 30 MHz
Insertion loss
100 kHz
1 MHz
10 MHz
45 MHz
0.2 dB
0.3 dB
<2 dB
<3 dB
0.2 dB
0.3 dB
<2 dB
<4.5 dB
Capacitance
HI-LO
LO-Earth
55 pF
35 pF
85 pF
45 pF
Crosstalk at terminal block (ch-ch)
3
300 kHz
1 MHz
20 MHz
45 MHz
–70 dB
–60 dB
–35 dB
–30 dB