Siemens LV 10 · 2004 7/23
SENTRIC KL Switch Disconnectors with Fuses
General data
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AccessoriesFor the SENTRIC KL switch disconnectors, complete kits for standard and EMERCENCY-STOP use are available for installa-tion in the side and rear panels of switchgear cabinets.
Specifications IEC 60947-1, IEC 60947-3, VDE 0660 Part 107
Type 3KL50
3KM50 3KL52
3KM52 3KL53
3KM53 3KL551)
3KM551)3KL571)
3KM571) 3KL611) 3KL62
Main conductor connection
Busbar systems, max. dimensions (w × t) mm × mm 25 × 9 45 × 10 45 × 10 40 × 12 40 × 15 40 × 17 40 × 17
Cable lug, max. conductor cross-section (stranded) mm235 70 120 150 2 × 150
or
1 × 240
2 × 240 2 × 240
Tightening torque Nm 6 ... 7.5 7 ... 10 18 ... 22 35 ... 45 35 ... 45 56 56
Terminal screws M 6 M 6 M 8 M 10 M 10 M 12 M 12
PE/ground-conductor connection
Flat bars mm × mm – – – 20 × 2.5 20 × 2.5 – –
Cable lug, max. conductor cross-section (stranded) mm2– – – 70 120 – –
4th pole mountable (accessory)
Rated uninterrupted current IuA – 125 125 400 400 – –
Rated operating current Ie at AC-21A, AC 690 V A – 125 125 400 400 – –
Main conductor connection
Flat bars mm × mm –15 × 3 15 × 3 25 × 4 25 × 4 – –
Cable lug, max. conductor cross-section (stranded) mm2–70 70 240 240 – –
Auxiliary switch 1 NO + 1 NC (accessory)
Max. number to be plugged 1 2 2 2 2 3 3
Rated operating current Ieat AC 50 Hz/60 Hz
Ie/AC-12 A 10
Ie/AC-15 at Ue = 220 V/230 V A 6
Ie/AC-15 at Ue = 380 V/400 V A 4
Ie/AC-15 at Ue = 500 V A 2.5
Ie/AC-15 at Ue = 690 V A 1.2
Rated operating current Ieat DC
Ie/DC-13 at Ue = 24 V A 10
Ie/DC-13 at Ue = 48 V A 4
Ie/DC-13 at Ue = 110 V A 1.2
Ie/DC-13 at Ue = 220 V A 0.4
Ie/DC-13 at Ue = 440 V A 0.2
Connection
Solid mm22 × (0.5–1.5)
Finely stranded with end sleeve mm22 × (1–2.5)
Weight
Complete version
3KL kg 1.150 2.560 2.560 5.400 5.700 – –
3KM kg 1.936 2.960 2.960 7.160 7.450 – –
Basic version
3KL kg 0.850 2.200 2.200 4.500 4.800 14.000 14.000
3KM kg 1.820 2.600 2.600 6.147 6.443 – –
Permissible mounting position
3KL, 3KM
10°
NSE00182
180° 180° 180°