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LSX/BX Series
Weather sealed
explosion proof
switches
LSX/BX Series weather sealed, explosion proof limit switches are for use either
indoor or outdoors in hazardous atmospheres. They are completely sealed
and designed for use in explosive gas/dust environments.
LSX/BX products meet the sealing standards of NEMA 1, 3, 4, 6, 7, 9 and 13.
BX products are also sealed to IP67 standard and are ATEX approved (see
specifications below).
All heads are field adjustable at 90° increments. Heads with side rotary
actuators can be adjusted for clockwise and counter clockwise operation.
Sealing:
LSX NEMA 1, 3, 4, 6, 7 (Class 1, Division 1, Groups B, C, D),
9 (Class 2, Division 1, Groups E, F, G), 13
BX IP67, NEMA 1, 3, 4, 6, 13
Approvals:
LSX/BX UL, CSA*
BX only EExd IIC T6 category II 2 GD, SIRA 00ATEX 1037X
Contacts:
Electrical ratings A, B Silver
Electrical rating C Gold
Switching options:
SPDT DPDT
Single Pole, Double Throw Double Pole, Double Throw
Snap action contacts (1NC/1NO) Snap action contacts (2NC/2NO)
SPDT Double Break
DPDT Double Break
* Applies only to listings with ½ in NPT or ¾ in NPT
Electrical ratings
10 amps continuous carry. Circuits on any one pole must be the same polarity.
ac Volts
Pilot duty: 600 Vac, 720 VA
Amps at 0.35 Power Factor
Vac Make Break
A 120 60 6
SPDT 240 30 3
NEMA 480 15 1.5
A600 600 12 1.2
B 120 30 3
DPDT 240 15 1.5
NEMA 480 7.5 0.75
B600 600 6 0.60
C 250 Vac or 60 Vdc, 0.050 amp max.
SPDT/DPDT
dc Volts
Pilot duty: 240 Vdc, 30 watts
Make and Break Amps
Vdc Inductive Resistive
A 120 0.25 0.8
SPDT 240 0.15 0.4
B 120 0.25 0.8
DPDT 240 0.15 0.4
C 250 Vac or 60 Vdc, 0.050 amp max.
SPDT/DPDT
Rotary actuated switches
Operating torque max.: Standard 0,45 N m (4.0 in lb)
Low 0,19 Nm (1.7 in lb)
Pretravel max. (PT): Standard 15°
Low 9°
Overtravel min. (OT): Standard 60°
Low 66°
Differential travel max. (DT):
Standard SPDT 5°
Standard DPDT 7°
Low SPDT 3°
Low DPDT 4°
Note: Levers are ordered separately (see pages 69-
71 for details)
Actuators
EXPLOSION PROOF SWITCHES
