SE Digest 178

L100/300

Severe Duty, Oiltight, Mill and Foundry

Refer to Catalog 9006CT1007

www.se.com/us

R.B.Denison™ Lox-Switch™ L Table 21.83: General Specifications Temperature range

0 to +200 °F (-17 to +93 °C) standard. For high and low temperature options, see page 21-45. Minimum temperatures are based on the absence of freezing moisture or water.

Enclosure rating

NEMA 1, 4, and 13; IP 65, 66

30G max. (10–55Hz)

Vibration resistance

Repeatability Cable entry

0.03°

1/2" NPT standard double circuit, 3/4" NPT triple circuit

Contact Characteristics Rated thermal current

20A

Rated insulation voltage

600 Vac and Vdc

Wire (max.)

1 x 12 AWG or 2 x 14 AWG per screw terminal

L300WS2M1

Table 21.84: Switching Ratings: A600 (AC), P600 (DC) Contact Rating Designation

Maximum current (A)

Maximum VA

120V

125V

240V

250V

480V

< 600V

(M=Make, B=Break)

M

B

M

B

M

B

M

B

M

B

M

B

M

B

A600 (AC) P600 (DC)

60

6.00

— — 30

3.00

— — 15

1.50

12

1.20

7200

720 138

— — 1.1

1.1

— — 0.55

0.55

0.2

0.2

138

Table 21.85: Type L Selection Select L100 for a standard (mill) switch and L300 for an extra heavy duty (foundry) switch Description Contact Diagram Operating Torque Cat.No.

Mounting Plates, L100 and L300 Models Style 1

Style 2

190oz-in (1.34N•m) 190oz-in (1.34N•m) 190oz-in (1.34N•m) 190oz-in (1.34N•m) 45oz-in (0.32N•m) 45oz-in (0.32N•m) 190oz-in (1.34N•m) 190oz-in (1.34N•m) 170oz-in (1.2N•m) 170oz-in (1.2N•m)

L100WS2M1

Snap-action CW Spring return

1

3

1

3

L300WS2M1

2

4

2

4

L100WS2M2

Snap-action CCW Spring return

3

1

1

3

L300WS2M2

Style 4

Style 3

4

2

2

4

L100WS2M3

Maintained contact CWandCCW Snap action [5]

1

3

1

3

L300WS2M3

2

4

2

4

L100WDR2M4

Snap action CW Spring return

3

5

3

5

L300WDR2M4

6

4

6

4

Neutral position N.O.-CW, N.O.-CCW Spring return Snap action [5] Neutral position N.O.-CW, N.O.-CCW Maintained inCWonly [5] 2 Step Sequence CW Spring return, Snap action, 2N.O. 2 Step Sequence CCW Spring return, Snap action, 2N.O. 2 Step Sequence CW Spring return, Snap action, 2N.C. 2 Step Sequence CCW Spring return, Snap action, 2N.C 2 Step Sequence CW Spring return Snap action N.O./N.C

L100WNS2M26

1

3

1

3

1

3

L300WNS2M26

2

4

2

4

2

4

170oz-in (1.2N•m)

L100WNSL2M29

1

3

1

3

1

3

2

4

2

4

2

4

150oz-in (1.06N•m)

L525WDR2M56

5

3

5

3

3

5

6

4

6

4

4

6

150oz-in (1.06N•m)

L525WDL2M57

1

5

1

5

1

5

2

6

2

6

2

6

150oz-in (1.06N•m)

L525WDL2M58

1

1

5

1

5

5

2

2

6

2

6

6

150oz-in (1.06N•m)

L525WDR2M59

5

3

5

3

5

3

6

4

6

4

6

4

150oz-in (1.06N•m)

L100WS0S2M60

1

3

1

3

1

3

2

4

2

4

2

4

21 LIMIT SWITCHES

[5] The lever must not be allowed to snap freely from any overtravel position.

21-45

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8/17/2020