Cleaning Considerations for CIT Relay & Switch

When working with CIT Relay & Switch products, it is crucial to follow proper soldering and cleaning guidelines to maintain product integrity.

While the terminal areas are epoxy-sealed to prevent flux wicking into the relay cavity, the covers, actuators, and bushings are not sealed. This means that exposing the switch to cleaning fluids, whether by immersion or spraying, could lead to contamination and potential damage.

Additionally, during soldering, flux vapors can settle on internal components, so good ventilation is recommended. If a cleaning process is required, care should be taken to ensure that the switches are not immersed or sprayed with any fluids or solutions.

Check this for more details:
CIT SWITCH Soldering Recommendations.pdf (98.5 KB)

Applicable Part Numbers
DigiKey Part Number Manufacturer Part Number
2449-MS1206L6-ND MS1206L6
2449-MS1201L2B-ND MS1201L2B
2449-MS1201L2A-ND MS1201L2A
2449-MS1201L5A-ND MS1201L5A
2449-MS1201L4B-ND MS1201L4B
2449-MS1247L6-ND MS1247L6
2449-MS1201L4A-ND MS1201L4A
2449-MS1201L5B-ND MS1201L5B
2449-MS1202L4-ND MS1202L4
2449-MS1202L6-ND MS1202L6
2449-MS12711-ND MS12711
2449-MS2241L6-ND MS2241L6
2449-MS2241L9-ND MS2241L9
2449-MS4208L4-ND MS4208L4
2449-1101A2CQEA-ND 1101A2CQEA
2449-1101A1VQEA-ND 1101A1VQEA
2449-MS1206L3-ND MS1206L3
2449-MS1247L4-ND MS1247L4
2449-MS1247L2-ND MS1247L2
2449-MS2219L4-ND MS2219L4
2449-MS12712-ND MS12712
2449-MS2201L3-ND MS2201L3
2449-MS2201L4.5-ND MS2201L4.5
2449-MS2201L12-ND MS2201L12
2449-MS2201L9-ND MS2201L9
2449-MS2201L6-ND MS2201L6
2449-MS2310L6-ND MS2310L6
2449-MS2310L4-ND MS2310L4
2449-MS2205L6-ND MS2205L6
2449-MS2208L4-ND MS2208L4
2449-MS2205L2-ND MS2205L2
2449-MS2205L4-ND MS2205L4
2449-MS2305L2-ND MS2305L2
2449-MS2305L4-ND MS2305L4
2449-MS2211L4-ND MS2211L4
2449-MS2241L3-ND MS2241L3
2449-MS2210L6-ND MS2210L6
2449-MS2210L4-ND MS2210L4
2449-MS2301L6-ND MS2301L6
2449-MS2301L12-ND MS2301L12
2449-MS2301L3-ND MS2301L3
2449-MS2301L9-ND MS2301L9
2449-MS2301L4.5-ND MS2301L4.5
2449-MS2309L4-ND MS2309L4
2449-MS2309L6-ND MS2309L6
2449-MS2202L8B-ND MS2202L8B
2449-MS2202L8A-ND MS2202L8A
2449-MS2202L5B-ND MS2202L5B
2449-MS2202L9A-ND MS2202L9A
2449-MS2202L9B-ND MS2202L9B
2449-MS2202L5A-ND MS2202L5A
2449-1101A2HREA-ND 1101A2HREA
2449-1101A4CQEA-ND 1101A4CQEA
2449-1101A2HQEA-ND 1101A2HQEA
2449-1101A3BQEB-ND 1101A3BQEB
2449-1103A4BQEB-ND 1103A4BQEB
2449-1103A1VQEA-ND 1103A1VQEA
2449-1103A3BQEB-ND 1103A3BQEB
2449-1201A3BQEB-ND 1201A3BQEB
2449-1101A3VREA-ND 1101A3VREA
2449-1201A1VREA-ND 1201A1VREA
2449-1203A1CQEA-ND 1203A1CQEA
2449-1101A4BREB-ND 1101A4BREB
2449-1101A2BQEB-ND 1101A2BQEB
2449-1101A1BQEB-ND 1101A1BQEB
2449-1101A4BQEB-ND 1101A4BQEB
2449-1101A2VQEA-ND 1101A2VQEA
2449-1103A2CQEA-ND 1103A2CQEA
2449-1103A1BQEB-ND 1103A1BQEB
2449-1101A1BREB-ND 1101A1BREB
2449-1201A2BQEB-ND 1201A2BQEB
2449-1201A1BQEB-ND 1201A1BQEB
2449-1203A1BREB-ND 1203A1BREB
2449-1101A2VREA-ND 1101A2VREA
2449-1101A1VREA-ND 1101A1VREA
2449-1201A4BQEB-ND 1201A4BQEB
2449-1103A1BREB-ND 1103A1BREB
2449-1201A1VQEA-ND 1201A1VQEA
2449-1203A2BQEB-ND 1203A2BQEB
2449-1203A2CQEA-ND 1203A2CQEA
2449-1203A1BQEB-ND 1203A1BQEB
2449-1201A1BREB-ND 1201A1BREB
2449-1203A4BQEB-ND 1203A4BQEB
2449-1203A4CQEA-ND 1203A4CQEA
2449-1203A1VQEA-ND 1203A1VQEA
2449-1203A3BQEB-ND 1203A3BQEB
2449-1201A2CQEA-ND 1201A2CQEA
2449-1103A2BQEB-ND 1103A2BQEB
2449-1103A4CQEA-ND 1103A4CQEA
2449-1201A4CQEA-ND 1201A4CQEA
2449-1102A1CQEA-ND 1102A1CQEA
2449-1102A2BQEB-ND 1102A2BQEB
2449-1102A1BQEB-ND 1102A1BQEB
2449-1102A2CQEA-ND 1102A2CQEA
2449-1101A1CQEA-ND 1101A1CQEA
2449-1101A1BQEA-ND 1101A1BQEA
2449-1102A4BQEB-ND 1102A4BQEB
2449-1102A4CQEA-ND 1102A4CQEA
2449-1101A2DQEB-ND 1101A2DQEB
2449-1101A1DQEB-ND 1101A1DQEB
2449-1102A1DQEB-ND 1102A1DQEB
2449-1102A2DQEB-ND 1102A2DQEB
2449-1101A1HQEA-ND 1101A1HQEA
2449-1102A2VQEA-ND 1102A2VQEA
2449-1102A1HQEA-ND 1102A1HQEA
2449-1102A2HQEA-ND 1102A2HQEA
2449-1102A1VQEA-ND 1102A1VQEA
2449-1101A3CQEA-ND 1101A3CQEA
2449-1101A3BQEA-ND 1101A3BQEA
2449-1102A3CQEA-ND 1102A3CQEA
2449-1102A3BQEB-ND 1102A3BQEB
2449-1102A4DQEB-ND 1102A4DQEB
2449-1101A4DQEB-ND 1101A4DQEB
2449-1103A1BQEA-ND 1103A1BQEA
2449-1103A1CQEA-ND 1103A1CQEA
2449-1101A1BREA-ND 1101A1BREA
2449-1101A1CREA-ND 1101A1CREA
2449-1101A2CREA-ND 1101A2CREA
2449-1102A2BREB-ND 1102A2BREB
2449-1102A2CREA-ND 1102A2CREA
2449-1101A2BREB-ND 1101A2BREB
2449-1102A1CREA-ND 1102A1CREA
2449-1102A1BREB-ND 1102A1BREB
2449-1102A4HQEA-ND 1102A4HQEA
2449-1101A4VQEA-ND 1101A4VQEA
2449-1101A4HQEA-ND 1101A4HQEA
2449-1102A4VQEA-ND 1102A4VQEA
2449-1101A3CREA-ND 1101A3CREA
2449-1102A3DQEB-ND 1102A3DQEB
2449-1101A3DQEB-ND 1101A3DQEB
2449-1103A1DQEB-ND 1103A1DQEB
2449-1103A2DQEB-ND 1103A2DQEB
2449-1201A1BQEA-ND 1201A1BQEA
2449-1101A3HQEA-ND 1101A3HQEA
2449-1201A1CQEA-ND 1201A1CQEA
2449-1102A4CREA-ND 1102A4CREA
2449-1102A4BREB-ND 1102A4BREB
2449-1101A4CREA-ND 1101A4CREA
2449-1102A3VQEA-ND 1102A3VQEA
2449-1101A3VQEA-ND 1101A3VQEA
2449-1102A3HQEA-ND 1102A3HQEA
2449-1102A2DREB-ND 1102A2DREB
2449-1102A1DREB-ND 1102A1DREB
2449-1101A2DREB-ND 1101A2DREB
2449-1101A1DREB-ND 1101A1DREB
2449-1103A1HQEA-ND 1103A1HQEA
2449-1103A2VQEA-ND 1103A2VQEA
2449-1103A2HQEA-ND 1103A2HQEA
2449-1103A3CQEA-ND 1103A3CQEA
2449-1103A3BQEA-ND 1103A3BQEA
2449-1102A1HREA-ND 1102A1HREA
2449-1102A1VREA-ND 1102A1VREA
2449-1102A2HREA-ND 1102A2HREA
2449-1102A2VREA-ND 1102A2VREA
2449-1101A1HREA-ND 1101A1HREA
2449-1103A4DQEB-ND 1103A4DQEB
2449-1101A3BREB-ND 1101A3BREB
2449-1102A3CREA-ND 1102A3CREA
2449-1102A3BREB-ND 1102A3BREB
2449-1101A3BREA-ND 1101A3BREA
2449-1201A1DQEB-ND 1201A1DQEB
2449-1201A2DQEB-ND 1201A2DQEB
2449-1103A2CREA-ND 1103A2CREA
2449-1101A4DREB-ND 1101A4DREB
2449-1103A2BREB-ND 1103A2BREB
2449-1102A4DREB-ND 1102A4DREB
2449-1103A4VQEA-ND 1103A4VQEA
2449-1103A4HQEA-ND 1103A4HQEA
2449-1103A1BREA-ND 1103A1BREA
2449-1103A1CREA-ND 1103A1CREA
2449-1201A1HQEA-ND 1201A1HQEA
2449-1201A2HQEA-ND 1201A2HQEA
2449-1101A4HREA-ND 1101A4HREA
2449-1102A4VREA-ND 1102A4VREA
2449-1201A2VQEA-ND 1201A2VQEA
2449-1102A4HREA-ND 1102A4HREA
2449-1101A4VREA-ND 1101A4VREA
2449-1103A3DQEB-ND 1103A3DQEB
2449-1201A3BQEA-ND 1201A3BQEA
2449-1201A3CQEA-ND 1201A3CQEA
2449-1203A1BQEA-ND 1203A1BQEA
2449-1103A4CREA-ND 1103A4CREA
2449-1101A3DREB-ND 1101A3DREB
2449-1201A4DQEB-ND 1201A4DQEB
2449-1102A3DREB-ND 1102A3DREB
2449-1103A4BREB-ND 1103A4BREB
2449-1203A3BQEA-ND 1203A3BQEA
2449-1103A3VQEA-ND 1103A3VQEA
2449-1103A3HQEA-ND 1103A3HQEA
2449-1103A2DREB-ND 1103A2DREB
2449-1103A1DREB-ND 1103A1DREB
2449-1101A3HREA-ND 1101A3HREA
2449-1201A4VQEA-ND 1201A4VQEA
2449-1102A3HREA-ND 1102A3HREA
2449-1102A3VREA-ND 1102A3VREA
2449-1201A4HQEA-ND 1201A4HQEA
2449-1103A2VREA-ND 1103A2VREA
2449-1103A2HREA-ND 1103A2HREA
2449-1103A1VREA-ND 1103A1VREA
2449-1201A1BREA-ND 1201A1BREA
2449-1201A1CREA-ND 1201A1CREA
2449-1103A1HREA-ND 1103A1HREA
2449-1201A2BREB-ND 1201A2BREB
2449-1201A2CREA-ND 1201A2CREA
2449-1103A3BREB-ND 1103A3BREB
2449-1201A3DQEB-ND 1201A3DQEB
2449-1103A3CREA-ND 1103A3CREA
2449-1103A3BREA-ND 1103A3BREA
2449-1103A4DREB-ND 1103A4DREB
2449-1203A2DQEB-ND 1203A2DQEB
2449-1203A1DQEB-ND 1203A1DQEB
2449-1201A3VQEA-ND 1201A3VQEA
2449-1201A3HQEA-ND 1201A3HQEA
2449-1203A1HQEA-ND 1203A1HQEA
2449-1103A4HREA-ND 1103A4HREA
2449-1103A4VREA-ND 1103A4VREA
2449-1203A2HQEA-ND 1203A2HQEA
2449-1203A2VQEA-ND 1203A2VQEA
2449-1201A4BREB-ND 1201A4BREB
2449-1201A4CREA-ND 1201A4CREA
2449-1201A1DREB-ND 1201A1DREB
2449-1201A2DREB-ND 1201A2DREB
2449-1203A3CQEA-ND 1203A3CQEA
2449-1103A3DREB-ND 1103A3DREB
2449-1203A4DQEB-ND 1203A4DQEB
2449-1201A2VREA-ND 1201A2VREA
2449-1201A2HREA-ND 1201A2HREA
2449-1201A1HREA-ND 1201A1HREA
2449-1103A3HREA-ND 1103A3HREA
2449-1103A3VREA-ND 1103A3VREA
2449-1203A4VQEA-ND 1203A4VQEA
2449-1203A4HQEA-ND 1203A4HQEA
2449-1201A3BREB-ND 1201A3BREB
2449-1201A3CREA-ND 1201A3CREA
2449-1201A3BREA-ND 1201A3BREA
2449-1203A1CREA-ND 1203A1CREA
2449-1203A1BREA-ND 1203A1BREA
2449-1201A4DREB-ND 1201A4DREB
2449-1203A2CREA-ND 1203A2CREA
2449-1203A2BREB-ND 1203A2BREB
2449-1203A3DQEB-ND 1203A3DQEB
2449-1201A4VREA-ND 1201A4VREA
2449-1201A4HREA-ND 1201A4HREA
2449-1203A3VQEA-ND 1203A3VQEA
2449-1203A3HQEA-ND 1203A3HQEA
2449-1203A4BREB-ND 1203A4BREB
2449-1201A3DREB-ND 1201A3DREB
2449-1203A4CREA-ND 1203A4CREA
2449-1203A2DREB-ND 1203A2DREB
2449-1203A1DREB-ND 1203A1DREB
2449-1201A3VREA-ND 1201A3VREA
2449-1201A3HREA-ND 1201A3HREA
2449-1203A1VREA-ND 1203A1VREA
2449-1203A2HREA-ND 1203A2HREA
2449-1203A2VREA-ND 1203A2VREA
2449-1203A1HREA-ND 1203A1HREA
2449-1203A3BREB-ND 1203A3BREB
2449-1203A3BREA-ND 1203A3BREA
2449-1203A3CREA-ND 1203A3CREA
2449-1203A4DREB-ND 1203A4DREB
2449-1203A4HREA-ND 1203A4HREA
2449-1203A4VREA-ND 1203A4VREA
2449-1203A3DREB-ND 1203A3DREB
2449-1203A3HREA-ND 1203A3HREA
2449-1203A3VREA-ND 1203A3VREA