B1_PressureSwitch.pdf

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Appliance Controls

B1 Pressure Switch

The B1 Pressure Switch incorporates a new compact

design and is well-suited to todayôs low and mid-range

clothes washers and dishwashers requiring single level

control.

Also suitable for use with either hybrid or full-electronic

controls, the B1 allows quick installation and combines

high performance for accurate fills to ensure low water

and energy consumption, with overflow and dry heater

safety.

Specifications

Design Features

û Current ratings:

16(4) A 250 V ~ main contacts NO

4(4) A 250V ~ main contacts NC or

10(2,5) A 250 V

1(1) A 250 V ~ overflow protection NO

0,1(0,1) A 250 V ~ heater protection

û Functions: 1 level, 1 overflow-protection

(optional), heater-safety contact always present

û Terminals:

tabs 6,35 X 0,8 according to IEC 760

group-connector Rast 5

single-connector using Rast 5 Code

(without additional isolation)

individual connections: 14, 16

û Tolerance:

main contact: standard 5 mm WC

lower tolerance available on request

overflow protection: standard 10 mm WC

û Levels:

trip value: 25 to 400 mm WC

reset value: 10 to 350 mm WC

hysteresis: min. 10 mm WC, max 130 mm WC

û Position of the inlet tube: 0, 90, 180 or 270

Central inlet

û Ambient Temperature 85C max.

û Contacts: max. 1 change-over switches

(option low voltage), 1 overflow protection slow

action - normally open contact

û Rel. humidity 95% max.

û Standard screw mounting or snap-fixation,

others on demand

Information subject to change without notice. 7/99

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