WECO Electrical Connectors 321-B, 321-B-DS Data Sheet

TECHNIC AL D AT A SHEET

PU

Standard

12

321-B/12

22.821.006

321-B-DS/12

42.821.006

117,00 mm

50

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321-B(-DS)

Plug-in terminal strip
Screw connection & socket

GENERAL INFO RMATION

Pitch 10 mm
No. of poles 2 - 12
Usable with 321-S(-DS)
Areas of application Applications that require to easily open and close

not energised circuits.

TECHNICAL DATA

Clamping Range solid / stranded / AWG

without wire protector 0,75 - 6 mm² / 0,75 - 4 mm² / 18 - 12 AWG
with wire protector 0,5 - 4 mm² / 0,5 - 2,5 mm² / 20 - 12 AWG

Rated Cross Sec tion 2,5 mm²
Wire Stripping Length 6 mm ± 0,5 mm

Overvoltage Category III III II
Pollution Severity Level 3 2 2
Rated Voltage 320 V 320 V 630 V
Rated Impulse Voltage 4 kV 4 kV 4 kV
Rated Insulat ion Voltage 450 V acc. to EN 60998-1 [1]
Rated Current 16 A
Torque 0,5 Nm
Other specific at ions Rated values apply t o use in combination wit h

321-S(-DS) and insulated subs trates.

MATERIAL

Moulding PA, natural, V-2
Comparative Tracking Index CTI ≥ 600
Insulating Group I
Temperature Range -40°C up to 100°C
Terminal body Nickel plated bras s
Screw M3; zinc plat ed s t eel, blue passivated
Wire protector Tin plated tin bronze

OPTIONS / ACCESSORIES

Marking options on t he s c rew guides

•

[1] with ins ulating base
[2] for 321-B-DS: 26 - 12 AWG

APPROVALS

Current [A] Voltage [V] Group AWG [Nm]

20 300 B 18 - 12 0,51
15

10

300
300

D,E

B

26 - 10
26 - 10

0,51 [2]
0,51 [2]

CONFIGURATIONS

Version Poles Item Article number Item Article number Length (L)
Standard 2 321-B/02 12.821.006 321-B-DS/02 32.821.006 18,00 mm 1000

Standard 3 321-B/03 13.821.006 321-B-DS/03 33.821.006 28,00 mm 1000
Standard 4 321-B/04 14.821.006 321-B-DS/04 34.821.006 38,00 mm 500
Standard 5 321-B/05 15.821.006 321-B-DS/05 35.821.006 48,00 mm 500
Standard 6 321-B/06 16.821.006 321-B-DS/06 36.821.006 58,00 mm 100
Standard 7 321-B/07 17.821.006 321-B-DS/07 37.821.006 68,00 mm 100
Standard 8 321-B/08 18.821.006 321-B-DS/08 38.821.006 78,00 mm 80
Standard 9 321-B/09 19.821.006 321-B-DS/09 39.821.006 88,00 mm 80
Standard 10 321-B/10 20.821.006 321-B-DS/10 40.821.006 98,00 mm 50
Standard 11 321-B/11 21.821.006 321-B-DS/11 41.821.006 108,00 mm 50

09.19

Information provided in this document may be changed without prior notice.