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1221B

1221B - Instrumentation Cable (22 AWG, 28-Pair, 150V)

Belden 1221B is a multi-pair instrumentation cable designed for industrial instrumentation and control applications.

This cable features 28 pairs of 22 AWG, 7-strand tinned copper conductors with individually foil shielded pairs and an overall Beldfoil shield. Rated for 150V, the cable uses Datalene insulation and a Polyvinylchloride (PVC) jacket, with 0.153-inch jacket thickness and insulation thickness of 0.06 inches. The cable operates up to 60C. Approximate weight is 676 lbs/MFT with Red/Black color coding.

To explore additional configurations and related part numbers, browse the full Belden cable product line.

Contact Allied Wire & Cable for pricing, availability, and technical support.

Frequently Asked Questions

How many pairs does Belden 1221B have?

Belden 1221B contains 28 individually foil shielded pairs.

What is the voltage rating of Belden 1221B?

This cable is rated for 150 volts.

What shielding does Belden 1221B use?

Belden 1221B has individual foil shields on each pair plus an overall Beldfoil shield.

What is the temperature rating for Belden 1221B?

Belden 1221B is rated for operation up to 60C.

1221B

Part Number

1221B

Attributes

Approx LBS/MFT

676

AWG Size

22

Color Code Chart

Red, Black

Cond. Material

Tinned Copper

Conductor Stranding

7/30

Insul. Material

Datalene

Jacket Material

Polyvinylchloride (PVC)

Jacket Thickness

0.153

Max. Temp

60C

No. of Pairs

28

No. of Strands

7

Nom. Cap. (C-C)

19

Nom. Cap. (C-SC)

35

Nom. DCR of Cond.

15.0O/M'

Nom. DCR of Shld.

10.6O/M'

Nom. Dia. of Cond.

0.030

Nom. Imp.

70

Nom. Insul. Thick. (in)

0.06

Nom. O.D. of Cable (in)

1.14

Shield

Individually Foil Shielded Pairs

Shield Coverage

100%

Shield Material

Beldfoil

Strand Size

30

Vel. of Prop.

78%

Voltage

150