Latching Solenoids

Takano Latching Solenoids are self-holding linear latching solenoids which maintain its position only with magnetic force and performs linear axial movement by electrical pulse. It's energy efficient with low heat generation.

There are either bi-stable type or mono-stable type based on the type of circuit.

Features

1. DC-powered to pull in.

Pulls in as the coil is energized. Stays in position using the magnetic force of the permanent magnet even after the coil is de-energized.

2. Stays in position using the holding force of the permanent magnets

Stays in the current position even during a power outage. No locking mechanism required. Moreover, free from problems such as coil temperature rise or heat generation because no holding current is required.

3. Cost efficient

Series List

  Type Series Features
Bi-Stable Standard type TSB series
TSB-0705
TSB-0805
TSB-1005
TSB-1010
TSB-LS
Requires only energization for reciprocation and stays in position only by the holding force of the permanent magnets on both sides. Ideal for use as a drive or multi-contact switch for the flappers in banking terminals or for shutters for optical systems, in particular when high holding force is required.
Mono- stable Standard type TSBP series
TSBP-09BN1
The single side type which pulls in during the energization and stays in position using the holding force of the permanent magnets even after de-energization. This model is ideal for tube retainers for medical equipment or selectors in textile machines.

Series Comparative Table

  DC resistance Outside dimension Stroke Holding force
(de-energized)
TSB-070510Ω16 × 16 × 35.7 mm5 mmOver 3N
TSB-08057.5Ω20 × 20 × 30 mm5 mmOver 5N
TSB-100520Ω25 × 25 × 45 mm5 mmOver 15N
TSB-101020Ω25 × 25 × 45 mm10mmOver 10N
TSB-LS25 × 25 × 45 mm5 mmOver 2N
TSBP-09BN1Suction10.5Ω
Return14Ω
25 × 25 × 38 mm~5mmOver 20N

Please refer to each product page for detail specifications.

Operations

■Operation of TSB series

With SW1 switched ON, it absorbs on to the primary coil side. It still keeps the position after the switch is reset.

Latching solenoid Drive system of TSB series

With SW2 switched ON, it absorbs on to the secondary coil side. It still keeps the position after the switch is reset.
R is an external resistor. (holding side, for demagnetization current value setting)

Latching solenoid Drive system of TSB series
■Circuit example for TSB series (referential)

Various circuits for driving a latching solenoid have been devised by customers. What follows shows one such example for reference:

Operational mode
A B C D OUT1 OUT2 動作
L L H H H L R→L
H H L L L H L→R
H H H H L L stop
L L L L H H Prohibition input
Latching solenoid Circuit example for TSB series
■Operation of TSBP series

Pulls in from right to left at switch-on of SW1 and stays in position even after switch-off of SW1.

Latching solenoid Drive system of TSBP series
Returns from left to right at switch-on of SW2.
Latching solenoid Drive system of TSBP series
Latching solenoid Drive system of TSBP series

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