TZ1RE024M EUCHNER, TZ1RE024M Datasheet - Page 107

• Manufacturer Part Number: TZ1RE024M
• Description: SAFETY SWITCH
• Manufacturer: EUCHNER

Specifications of TZ1RE024M

• Operating Force Max: 35N
• Contact Voltage Ac Max: 230V
• Contact Voltage Dc Max: 24V
• Contact Current Ac Max: 4A
• Contact Current Dc Max: 4A
• Switch Terminals: Lead
• Case Material: Aluminium, Diecasting

Appendix
Glossary
Actuating force
The actuating force is the minimum force required to perform a switching
operation.
Actuation (electrical / mechanical)
Transition of a moving contact from one switch position to another. This
will result in a change to the switch state of an item of switchgear. A
differentiation is made between electrical actuation (e.g. switching on –
switching off) and mechanical actuation (e.g. closing – opening).
Actuator/actuating element
Switches with safety function:
Mechanical element on a safety position switch that triggers the switching
operation. Actuators are available is different forms, for example as
roller plungers, chisel plunger or roller arms.
Switches with separate actuator:
On switches
from the safety switch . The design of the actuators is matched (coded)
to the safety switch so that tampering using simple means (screwdriver,
pieces of wire) is not possible.
Approach speed
Speed at which a position switch can be mechanically actuated. The
permitted approach speed is dependent on the shape and material of
the actuating element and the approach angle. The higher the approach
speed, the shallower the approach angle should be chosen.
Automatic mode
The automatic mode is an operating mode , in which, unlike the manual
mode , only system starting is triggered by human intervention. All other
actions are performed automatically.
Bolt
Bolts function as follows: the bolt tongue mechanically guides the
bolt mounted on the door frame comprises a protruding bolt tongue,
actuator when it is inserted in the safety switch actuating head. The
Roller plunger
Straight actuator
with separate actuator the actuating element is separate
Chisel plunger
Hinged actuator
Roller arm
the handle and the actuator, mounted offset somewhat to the rear. The
switch holder with the safety switch is fitted to the frame. The bolt absorbs
forces that act on the switch and the actuator and that could damage
the switch and actuator.
Category
The categories according to EN 954 1 (B, 1, 2, 3 and 4) provide an
assessment of the performance of safety-related parts of a control
system on the occurrence of failures.
Closed-circuit current principle
On a safety guard with guard locking based on the closed-circuit current
principle, the safety guard is locked by spring force until the interlocking
solenoid is supplied with power. Unlocking is by solenoid force. The
term mechanical locking is also used.
Cyclic mode
An operating mode in which each the working space on the machine is
opened during every operating cycle and the operator therefore frequently
needs to work in the danger area .
Degree of protection
The degree of protection is defined according to EN 60529 1 and is
given as an IP. After the IP there are two digits; the first digit gives the
degree of protection against the penetration of solid foreign bodies and
the second digit gives the degree of protection against the penetration
of liquids. For safety switches the degree of protection IP 55 is to be
provided as a matter of preference (BGI 575).
Diversity
Diversity is the use of two different concepts to provide a function. For
instance, the use of a switch with safety function and a switch with
separate actuator on a safety guard . Here it is assumed that a single
failure cannot affect two different concepts in the same way. Diversity
also makes tampering more difficult and the safety of redundant
systems is increased.
Movable safety guard without guard
locking, diverse layout.
Bolt for safety switch with guard locking
Movable safety guard with guard locking,
diverse layout.
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