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2A Multi-Banked MUX – 40-657A

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Specifications

Switching Specification

Contact Type:

Gold clad silver alloy

Cold Switching Capacity 

Maximum Current: 

Maximum Voltage:

 

2A 

400VDC/250VAC*

Hot Switching Capacity 

Maximum Current: 

Maximum Voltage: 

Maximum Power: † 

Minimum Switching Capacity:

 

2A 

110VDC/250VAC* 

90W/500VA 

10mA, 5VDC

Initial On Path Resistance:
Off Path Resistance:
Thermal Offset:

<250mΩ
>10

9

Ω

 

<20µV

Bandwidth:

>20MHz

Operate Time:

21ms typical, 

10.5ms for multichannel mode

Expected Life
Mechanical Life:
At Max. Switch Capacity:

>2x10

7

 operations

>1x10

5

 operations

* For full voltage rating, signal sources to be switched must be fully 

isolated from mains supply and safety earth.
† For variation of maximum hot switching capacity of voltage with 

current refer to plot.

Power Requirements

+3.3V

+5V

+12V

-12V

0

1.7A

 (typ 400mA)

0

0

† with all 64 relays operated

Operating/Storage Conditions

Operating Conditions

Operating Temperature: 

Humidity: 

Altitude:

0°C to +55°C 

Up to 90% non-condensing 

5000m

Storage and Transport Conditions

Storage Temperature: 

Humidity: 

Altitude:

-20°C to +75°C 

Up to 90% non-condensing 

15000m

PXI & CompactPCI Compliance

The module is compliant with the PXI Specification 2.2. Local Bus, 

Trigger Bus and Star Trigger are not implemented.
Uses a 33MHz 32-bit backplane interface.

Safety & CE Compliance

All modules are fully CE compliant and meet applicable EU 

directives:  Low-voltage safety EN61010-1:2010, EMC Immunity 

EN61326-1:2013, Emissions EN55011:2009+A1:2010.

Mechanical Characteristics

Single slot 3U PXI (CompactPCI card). 

3D models for all versions in a variety of popular file formats are 

available on request.

Connectors

PXI bus via 32-bit P1/J1 backplane connector. 

Signals via front panel 78-pin male D-type connector, for pin outs 

please refer to the operating manual.

Relay Type

The 40-657A modules are fitted with electro-mechanical power 

relays, gold clad silver alloy. A spare relay is built onto the circuit 

board to allow easy maintenance with minimum downtime.

40-657A Current/Operating Life Plot

40-657A Current/Voltage Plot

AC Resistive

DC Resistive

125VAC Resistive

30VDC Resistive

250VAC Resistive

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