3B Scientific 1000994 [U8497700] Assembly Kit “Bell, Relay and Bimetallic Switch ” Owner's Manual

3B SCIENTIFIC® PHYSICS

Assembly Kit “Bell, Relay and Bimetallic Switch” 1000994

Instruction Sheet

10/15 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.

Base plate:

Weight:

3. Technical data

200



140



40 mm

1.6 kg approx.

3 approx.

4. Example switch assemblies

To assemble the switches the following additional equipment is needed:

1 Transformer with rectifier @230 V

1003316 or

1 Transformer with rectifier @115 V

1003315

1 Lamp socket E14 1000947

1 Filament lamp, 12 V, 25 W, E14, as typical consumer item

1

4.1 Assembly of a bell circuit

Fig 1 Assembly of a bell circuit

4.2 Assembly of a relay

Fig. 2 Circuit diagram for a bell

Fig 3 Assembly of a relay

4.3 Assembly of a bimetallic switch circuit

Fig. 4 Circuit diagram for a relay

Fig. 6 Circuit diagram for a bimetallic switch

Fig. 5 Assembly of a bimetallic switch circuit

3B Scientific GmbH

▪ Rudorffweg 8 ▪ 21031 Hamburg ▪ Germany ▪ www.3bscientific.com

Subject to technical amendments

© Copyright 2015 3B Scientific GmbH