BS 4794-2-2.2:1977 PDF

Published Date: 10/31/2009

Low-voltage switchgear and controlgear-Control/circuit devices and switching elements. Electromechanical control circuit devices

Published Date: 12/09/2002

Specification for low-voltage switchgear and controlgear. Control circuit devices and switching elements-Electromechanical control circuit devices

Published Date: 04/01/1992

Specification for low-voltage switchgear and controlgear. Control circuit devices and switching elements-Electromechanical control circuit devices

Published Date: 03/31/1987

Specification for control switches (switching devices, including contactor relays, for control and auxiliary circuits, for voltages up to and including 1000 V a.c. and 1200 V d.c.)-Position switches with positive opening operation

Published Date: 05/31/1978

Specification for control switches (switching devices, including contactor relays, for control and auxiliary circuits, for voltages up to and including 1000 V a.c. and 1200 V d.c.)-Indicator lights. Standardization of fixing hole of single hole mounted push-buttons and indicator lights

Published Date: 01/31/1977

Specification for control switches (switching devices, including contactor relays, for control and auxiliary circuits, for voltages up to and including 1000 V a.c. and 1200 V d.c.)-Additional requirements for rotary control switches

Published Date: 01/31/1977

Specification for control switches (switching devices, including contactor relays, for control and auxiliary circuits, for voltages up to and including 1000 V a.c. and 1200 V d.c.)-Push-buttons and related control switches

Published Date: 01/29/1988

Specification for low-voltage switchgear and controlgear for industrial use. Inductive proximity switches. Form C, for direct current, 3 or 4 terminals

Published Date: 09/17/2020

Semiconductor devices-Optoelectronic devices. Photocouplers

Published Date: 02/21/2020

Low-voltage switchgear and controlgear-Circuit-breakers

Published Date: 01/01/1979

Published Date: 01/01/1989

Published Date: 01/01/2002

Published Date: 01/01/1981

Published Date: 01/01/1995

Published Date: 01/01/1999