CIRCUITS

Set of 2 Experiment Leads, 75 cm 2.5 mm²

19.15 €

Item: 1024540

For electrical circuits with low voltages and high currents; copper wire encased in highly flexible PVC; equipped at either end with a laminated plug and a fully-insulated axial jack for connecting additional patch cords. Wire cross ... more

Charger and Discharger (115 V, 50/60 Hz)

552.66 €

Item: 1017780 [U10800-115]

Compact equipment for recording charging and discharging curves for capacitors at individual points. Includes 12 V AC plug-in power supply. The charger and discharger consists of three units in a single housing: a voltage comparator, a digital ... more

Charger and Discharger (230V, 50/60 Hz)

552.66 €

Item: 1017781 [U10800-230]

Complete equipment for recording charging and discharging curves for capacitors at individual points. Includes 12 V AC plug-in power supply. The charger and discharger consists of three units in a single housing: a voltage comparator, a ... more

Insulator with Clamp

31.11 €

Item: 1002970 [U15321]

Metal stem with knurled screw and 4 mm bore hole on acrylic rod, as insulated holder for wires, e.g. when conducting experiments on the optical bench are performed. Diameter: approx. 10 mm Length: approx. 100 mm more

Volta's Pile on 3B Box

59.78 €

Item: 1010132 [U29504]

Replica of Alessandro Volta’s apparatus consisting of series-connected galvanic cells to make up a source of electricity. Zinc and copper plates stacked in alternation on top of each other are separated in each case by a piece of felt ... more

Switch on 3B-Box

13.05 €

Item: 1010139 [U29511]

Switch attached to a safe box for building simple electric circuits using safety experiment leads. Printed with a circuit symbol. Maximum voltage: 12 V Maximum current: 5 A Dimensions: 135x85x40 mm³ more

Button on 3B Box

17.81 €

Item: 1010146 [U29518]

Normally open push-button switch attached to a safe box for building simple electric circuits using safety experiment leads. Printed with a circuit symbol. Maximum voltage: 12 V Maximum current: 2 A Dimensions: 135x85x40 mm³ more

Knife-Edge Switch on 3B Box

19.40 €

Item: 1010152 [U29524]

Knife-edge switch attached to a safe box for building simple electric circuits using safety experiment leads. Printed with a circuit symbol. Maximum voltage: 12 V Maximum current: 5 A Dimensions: 135x85x40 mm³ more

Fuse Holder on 3B Box

14.40 €

Item: 1010154 [U29526]

Fuse holder attached to a safe box for building simple electric circuits using safety experiment leads. Printed with a circuit symbol. Fuses (not included): 20 mm x 5 mm diam. Maximum voltage: 12 V Maximum current ... more

Crocodile Clips on 3B Box

21.23 €

Item: 1010155 [U29527]

Pair of crocodile clips for connecting loose resistors and other electronic components or samples from the “Conductors and Non-Conductors” set. Attached to a safe box for building simple electric circuits using safety experiment leads. Printed ... more

Universal Holder on 3B Box

23.55 €

Item: 1010156 [U29528]

Universal holder for two-pole components (resistors, capacitors, diodes, LEDs) attached to a safe box for building simple electric circuits using safety experiment leads. Printed with a circuit symbol. Dimensions: 135x85x40 mm³ more

Diode in 3B Box

8.91 €

Item: 1010157 [U29529]

1N4002 semiconductor in an electrically safe box for assembling simple electric circuits using safety experiment leads. Featuring printed circuit symbol. Maximum voltage: 12 V Maximum current: 1 mA Dimensions: 135x85x40 mm³ more

ELV Motor on 3B Box

16.23 €

Item: 1010158 [U29530]

Low-voltage motor with pulley for simple experiments on mechanical and electrical energy. The relationship between current direction and direction of rotation is immediately obvious. Built onto an electrically safe box for assembling simple ... more

Red LED on 3B Box

20.01 €

Item: 1010190 [U29577]

LED on an electrically safe box for assembling simple electric circuits using safety experiment leads. Featuring built-in current limiting resistor and printed circuit symbol. Maximum voltage: 12 V Maximum current: 20 mA Dimensions: 135x85x40 ... more

Green LED on 3B Box

20.62 €

Item: 1010191 [U29578]

Battery Holder in 3B Box

25.86 €

Item: 1010192 [U29579]

Battery holder in an electrically safe box for assembling simple electric circuits using safety experiment leads. Printed circuit symbol and battery direction. Batteries not included. Battery: 4.5 V, 3R12, flat battery Dimensions: 135x85x40 ... more

Coil with 600 Windings on 3B-Box

21.59 €

Item: 1011346 [U29595]

600-winding coil without core attached to a safe box and featuring safety sockets. For experiments on induction, a bar magnet can be passed through the coil. Dimensions: 135x85x40 mm³ more

Change-Over Switch (SPDT) on 3B Box

21.11 €

Item: 1012694 [U29802]

Single-pole double-throw change-over switch attached to a safe box for building simple electric circuits using safety experiment leads. Printed with a circuit symbol. Maximum voltage: 12 V Maximum current: 5 A Dimensions: 135x85x40 mm³ ... more

Graetz Bridge in 3B Box

14.76 €

Item: 1012695 [U29803]

Bridge rectifier circuit consisting of four semiconductor diodes connected in Graetz configuration. Inside a safe box for building simple electric circuits using safety experiment leads. Printed with circuit symbols. Maximum voltage: 12 V ... more

LED Graetz Bridge in 3B Box

13.91 €

Item: 1012696 [U29804]

Bridge rectifier circuit consisting of four LEDs connected in Graetz configuration. Inside a safe box for building simple electric circuits using safety experiment leads. Printed with circuit symbols. Maximum voltage: 12 V Maximum current ... more

Current Direction Indicator in 3B Box

10.37 €

Item: 1012697 [U29805]

Circuit comprised of two LEDs for indicating the direction of current. Inside a safe box with sockets for safety experiment leads. Printed with circuit symbols. Maximum voltage: 12 V Maximum current: 20 mA Dimensions: 135x85x40 mm³ more

Ohm's Law Apparatus in 3B Box

14.40 €

Item: 1012698 [U29806]

Classic set-up for verifying Ohm’s law for a two-pole resistor. Inside a safe box with sockets for safety experiment leads. Printed with circuit symbols. Maximum voltage: 12 V Maximum current: 2 A Dimensions: 135x85x40 mm³ more

Unknown Resistors in 3B Box

40.50 €

Item: 1012699 [U29807]

Four unknown resistors which can be connected separately in two series circuits. Inside a safe box with sockets for safety experiment leads. Printed with circuit symbols. Maximum voltage: 6 V Maximum current: 200 mA Dimensions: 135x85x40 ... more

Precision Resistor 1 Ohm

41.48 €

Item: 1009843 [U51004]

In plastic housing with 4-mm safety plugs. Specifications: Dimensions: 122x70x50 mm Resistance: 1 Ω Tolerance: 1% Load rating: 4 W more

Precision Resistor 10 Ohm

41.48 €

Item: 1009844 [U51005]

In plastic housing with 4-mm safety plugs. Specifications: Dimensions: 122x70x50 mm Resistance: 10 Ω Tolerance: 1% Load rating: 4 W more

Precision Resistor 100 Ohm

34.53 €

Item: 1009886 [U51006]

In plastic housing with 4-mm safety plugs. Specifications: Dimensions: 122x70x50 mm Resistance: 100 Ω Tolerance: 1% Load rating: 4 W more

Precision Resistor 1 kOhm

34.53 €

Item: 1009887 [U51007]

In plastic housing with 4-mm safety plugs. Specifications: Dimensions: 122x70x50 mm Resistance: 1 kΩ Tolerance: 1% Load rating: 1 W more

Precision Resistor 10 kOhm

34.53 €

Item: 1000685 [U51008]

In plastic housing with 4-mm safety plugs. Specifications: Dimensions: 122x70x50 mm Resistance: 10 kΩ Tolerance: 1% Load rating: 1 W more

Precision Resistor 100 kOhm

34.53 €

Item: 1000686 [U51009]

In plastic housing with 4-mm safety plugs. Specifications: Dimensions: 122x70x50 mm Resistance: 100 kΩ Tolerance: 1% Load rating: 1 W more

Precision Resistor 1 MOhm

34.53 €

Item: 1000687 [U51010]

In plastic housing with 4-mm safety plugs. Specifications: Dimensions: 122x70x50 mm Resistance: 1 MΩ Tolerance: 1% Load rating: 1 W more

Precision Resistor 10 MOhm

34.53 €

Item: 1000688 [U51011]

In plastic housing with 4-mm safety plugs. Specifications: Dimensions: 122x70x50 mm Resistance: 10 MΩ Tolerance: 1% Load rating: 1 W more

Capacitor 2200 µF

42.21 €

Item: 1000689 [U51012]

Capacitor in plastic housing with 4 mm safety plugs. Capacitance: 2200 μF Tolerance: 20% Maximum permissible voltage: 40 V Dimensions: approx. 122x70x50 mm³ more

High-Precision Resistor 300 kOhm

34.53 €

Item: 1000690 [U51013]

High-Precision Resistors in plastic housing with 4 mm safety plugs. Specifications: Dimensions: approx. 122x70x50 mm³ Resistance: 300 kΩ Tolerance: 5% Load rating: 3 W more

Resistance Apparatus

317.20 €

Item: 1009949 [U8492030]

Apparatus to investigate the dependency of electrical resistance on conductor length, conductor cross-section and material. Six wires are laid out side by side on a metal base and both ends connect to 4 mm sockets. Wire specimens: Constantan ... more

Lamp Socket E10 on Acrylic Base

24.89 €

Item: 1000946 [U8495310]

Lamp socket on transparent acrylic base with screw connection for ordinary commercial filament bulbs for E10 sockets. Sockets for 4 mm safety plugs. more

Lamp Socket E14 on Acrylic Base

34.53 €

Item: 1000947 [U8495320]

Lamp socket on transparent acrylic base with screw connection for ordinary commercial filament bulbs for E14 sockets. Sockets for 4 mm safety plugs. more

Set of Conductors and Non-Conductors

37.33 €

Item: 1000948 [U8495350]

Set of "Conductors and Non-Conductors" To investigate the various levels of conductivity of 8 different sample materials. Scope of delivery: iron rod, aluminum rod, copper rod, steel rod, wooden rod, glass rod, plastic rod, cotton string ... more

Copper Wire 0,3 mm / 100 m

12.08 €

Item: 1000949 [U8495420]

Metal wires on bobbins, e.g. for experiments to investigate how resistance depends on the material, cross-sectional area and length of the wire. Material: Copper Length: 100 m Diameter: 0.3 mm more

Iron Wire 0,3 mm/ 100 m

11.59 €

Item: 1000950 [U8495460]

Metal wires on bobbins, e.g. for experiments to investigate how resistance depends on the material, cross-sectional area and length of the wire. Material: Iron (without coating) Length: 100 m Diameter: 0.3 mm more

Nickel Wire 0,3 mm / 50 m

13.42 €

Item: 1000951 [U8495490]

Resistance Wires Metal wires on bobbins, e.g. for experiments to investigate how resistance depends on the material, cross-sectional area and length of the wire. more

Chrome-Nickel Wire 0,3 mm/ 100 m

16.96 €

Item: 1000953 [U8495505]

Resistance Wires Metal wires on bobbins, e.g. for experiments to investigate how resistance depends on the material, cross-sectional area and length of the wire. more

Chrome-Nickel Wire 0,5 mm/ 50 m

50.39 €

Item: 1000954 [U8495515]

Resistance Wires Metal wires on bobbins, e.g. for experiments to investigate how resistance depends on the material, cross-sectional area and length of the wire. more

Constantan Wire 0,2 mm / 100 m

12.20 €

Item: 1000955 [U8495527]

Resistance Wires Metal wires on bobbins, e.g. for experiments to investigate how resistance depends on the material, cross-sectional area and length of the wire. more

Constantan Resistance 0,3 mm / 100 m

17.08 €

Item: 1000956 [U8495532]

Resistance Wires Metal wires on bobbins, e.g. for experiments to investigate how resistance depends on the material, cross-sectional area and length of the wire. more

Constantan Resistance 0,4 mm / 50 m

14.52 €

Item: 1000957 [U8495537]

Resistance Wires Metal wires on bobbins, e.g. for experiments to investigate how resistance depends on the material, cross-sectional area and length of the wire. more

Constantan Resistance 0,5 mm/ 50 m

19.52 €

Item: 1000958 [U8495540]

Resistance Wires Metal wires on bobbins, e.g. for experiments to investigate how resistance depends on the material, cross-sectional area and length of the wire. more

Brass Resistance 0,3 mm / 50 m

13.30 €

Item: 1000959 [U8495550]

Resistance Wires Metal wires on bobbins, e.g. for experiments to investigate how resistance depends on the material, cross-sectional area and length of the wire. more

Holder for Components

48.19 €

Item: 1008524 [U8495610]

Holder on an acrylic base with two crocodile clips for connecting loose resistors and other electronic components or samples from the “Conductors and Insulators” set. Sockets for 4-mm safety plugs. more

Double-Pole Double Throw Switch

68.32 €

Item: 1018439 [U8495901]

Double-pole double throw (DPDT) change-over switch in a robust casing with high dielectric strength. Connection is made via 4-mm safety sockets. Dimensions: 112 x 62 x 45 mm approx. Weight: 95 g approx. more

Toggle Switch on Acrylic Base

61.00 €

Item: 1000960 [U8495910]

Switch mounted on a transparent acrylic base for the alternate opening and closing of two electric circuits. Sockets for 4 mm safety plugs. more

Single-Throw Switch on Acrylic Base

54.17 €

Item: 1000961 [U8495920]

Switch mounted on a transparent acrylic base for the alternate opening and closing of a circuit. Sockets for 4 mm safety plugs. more

Momentary Contact Switch on Acrylic Base

37.33 €

Item: 1000962 [U8495930]

Switch mounted on a transparent acrylic base for the momentary closing of circuits. Sockets for 4 mm safety plugs. more

Assembly Kit “Bell, Relay and Bimetallic Switch ”

395.28 €

Item: 1000994 [U8497700]

Assembly Kit “Bell, Relay and Bimetallic Switch ” Equipment kit comprising materials to assemble electromagnetic switches and bimetallic switches. Base plate in mm (L x W x H): 200 x 140 x 40 Total weight of set: approx. 1.6 kg Scope of supply ... more

Contact Stand with Terminal Sockets

67.10 €

Item: 1000995 [U8497740]

Connection rod on insulated base with three 4 mm cross holes and one axial 4 mm bore hole used to secure components with 4 mm connectors or to plug in 4 mm cables. At the top end spring-loaded terminal socket used as a wire clamp. Height: ... more

Resistance Bridge

248.88 €

Item: 1009885 [U8551002]

Resistance Bridge used to measure resistances in bridge circuits and investigate voltage drops across wires. The device is only suitable for low voltages. It consists of a rail with a scale mounted at two points and a resistance wire stretched ... more

Model of Overhead Power Lines, Pair

58.56 €

Item: 1021347 [U8557750]

The set of two resistor wires of resistance 22 Ω and length 1.5 m can be used as connecting wires in experiments involving model overhead power lines or transmission lines for the transmission of electrical energy. In such experiments they ... more

Rod Clamp with Insulator

47.46 €

Item: 1001054 [U8713100]

Clamp for the insulated securing of electrical components with 4 mm connectors. A PVC isolator is used to isolate sections from each other. Upper section features two 4 mm cross bore holes and one 6 mm hole with clamping screw. Lower section ... more

Resistance Decade 1 Ohm

225.70 €

Item: 1002730 [U11180]

Resistance decades which can be mechanically connected to one another, e.g. in order to assemble a Wheatstone bridge. With color-coded safety sockets and control knob for setting measurement resistances in 10 steps. Includes 25-cm safety patch ... more

Resistance Decade 10 Ohm

225.70 €

Item: 1002731 [U11181]

Resistance Decade 100 Ohm

225.70 €

Item: 1002732 [U11182]

Resistance Decade 1 kOhm

225.70 €

Item: 1002733 [U11183]

Resistance Decade 10 kOhm

225.70 €

Item: 1002734 [U11184]

Resistance Decade, 1 Ohm - 10 kOhm

233.02 €

Item: 1002735 [U11185]

Four resistance decades in a single housing, can be used individually or in combination, e.g. for setting up a Wheatstone bridge. Can be set using control knob, with decade scale. Output: via 4 mm safety sockets Max. current: 700 mA (1 Ω ... more

Capacitance Decade 1 μF

295.24 €

Item: 1002737 [U11191]

Capacitance decades which can be mechanically connected to one another. With color-coded safety sockets and control knob for setting capacitances in 10 steps. Includes 25 cm safety patch cord. Nominal voltage: 350 V DC Connections: 4 mm safety ... more

Inductance Decade Box - high accuracy, with slide switches

85.28 €

Item: 1013905 [U118201]

Variable inductance decade in impact-resistant plastic housing. This series incorporates mechanically stable components, a slide switch for setting measurement ranges and 4-mm safety sockets to ensure that all connections are safe. ... more

Capacitance Decade

85.28 €

Item: 1013906 [U118211]

Capacitance decade in impact-resistant plastic housing. This series incorporates mechanically stable components, a slide switch for setting measurement ranges and 4-mm safety sockets to ensure that all connections are safe. Measuring range ... more

Set of 15 Experiment Leads, 75 cm 1 mm²

95.16 €

Item: 1002840 [U13800]

Set of 15 patch cords, 75 cm long, 5 of each color in red, black and blue. Copper wire encased in highly flexible PVC for use with low-voltage electrical circuits. Wires are equipped at either end with a laminated plug and a fully-insulated ... more

Set of 15 Experiment Leads, 75 cm, 2.5 mm²

107.36 €

Item: 1002841 [U13801]

Set of 15 Safety Experiment Leads, 75 cm, 2.5 mm²

117.12 €

Item: 1002843 [U138021]

For electrical circuits with low voltages and high currents; copper wire encased in highly flexible PVC; equipped at either end with a laminated safety plug and a fully-insulated axial jack for connecting additional patch cords. Wire ... more

Set of 10 E10 Lamp Sockets

7.32 €

Item: 1010137 [U29509]

Set of 10 screw-in sockets for lamps with E10 screw thread. Electrical contact is made via uninsulated wires passing through the connecting eyelets in the base or via crocodile clips. Base: 28 mm diam. more

E10 Lamp Socket on 3B Box

19.40 €

Item: 1010138 [U29510]

E10 lamp socket attached to a safe box for building simple electric circuits using safety experiment leads. Printed with a circuit symbol. Maximum voltage: 12 V Maximum current: 2 A Dimensions: 135x85x40 mm³ more