TECHNICAL DATA SHEET

339-K / 339-KF

Flat screw terminals

Medium-duty version with grooved flat terminals, 2-pole

01.20

339-K

339-KF

K-versions have two

mounting holes at the

center.

MATERIAL

Base material

Technical ceramics

Comparative Tracking Index

CTI ≥ 600

Insulating Group

I

Temperature Range

-40°C up to 250°C

Spring washer

Zinc plated steel

Screw terminal

Nickel plated brass

Screw

M4; M3; Zinc plated steel

Washer

Zinc plated steel

OPTIONS / ACCESSORIES

• Versions only with washers

[1] The clamping range for flexible and AWG conductors was determined using

ferrules. Use of flexible conductors without ferrules is not recommended.

[2] Per pole two wires of identical cross-section can be connected.

CONFIGURATIONS

Item

Article number

PU

339-K

52.636.006

144

339-KF

50.636.006

144

GENERAL INFORMATION

No. of poles

2

TECHNICAL DATA

Clamping Range

solid / stranded / AWG

0,5 - 4 mm² / 0,5 - 1,5 mm² / 20 - 16 [1][2]

Rated Cross Section

4 mm²

Wire Stripping Length

10 mm ± 0,5 mm

Rated Insulation Voltage

450 V acc. to EN 60998-1

Torque

1,2 Nm

Fixing Holes

ø 4,8 mm

Distance

12 mm

Base mounting

Recommendation:

Screw M4 with matching washer; max. torque 1.5

Nm; use of an elastic & insulating substrate.

Other specifications

Terminal strips must not be strung together without

considering the clearance and creepage distances.

Rated values apply to use in combination with

insulated substrates.