3B Scientific Assembly Kit “Bell, Relay and Bimetallic Switch ” - Manual

3B SCIENTIFIC® PHYSICS
1
Assembly Kit “Bell, Relay and Bimetallic Switch” U8497700
Instruction Sheet
06/08 SP/ALF
1 Base plate
2 U-core
3 Fixing screw for U-core
4 Coil
5 Bell
6 Contact rods
7 Bimetallic strip
8 Armature
9 Leaf spring
10 Contact pin
1. Description
The bell, relay and bimetallic switch assembly kit is
used to construct different types of electromagnetic
switches and bimetallic strip switches.
2. Equipment supplied
1 Base-plate with three fixing positions
1 Bell, 70 mm diameter
2 Contact rods, each with three 4 mm holes
1 Leaf spring with plug
1 Bimetallic strip with plug
1 Armature with plug
1 Contact pin with plug
1 U-core, 20
× 20 mm²
1 Fixing screw for U-core
1 Coil, 800 turns.
3. Technical data
Base plate dimensions: 200
Ч140Ч40 mm 3 approx.
Weight: 1.6 kg approx.
4. Example switch assemblies
To assemble the switches the following additional
equipment is needed:
1 Transformer with rectifier (230 V, 50/60 Hz)
U33300-230
or
1 Transformer with rectifier (115 V, 50/60 Hz)
U33300-115
1 Lamp socket E14 U8495320
1 Filament lamp, 12 V, 25 W, E14, as typical consu-
mer item