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Safety Technique
SAFEMASTER STS/K
Safety switch- and key interlock system
Basic unit ZRH01BM/K
Presentation in the deactivated condition:
Key and actuator removed
Product Description
Switch with electromechanical guard locking, separate actuator, forced
key removal and auxiliary release.
When activated the contacts which monitor the disable position switch.
When the key is removed, the contacts for the key monitoring switch and
the actuator can be removed.
To secure separating guards such as safety gates and hoods in machine
and plant engineering.
All Technical Data in this list relate to the state at the moment of edition. We reserve the right for
technical improvements and changes at any time.
STS/K-System Benefits
• EU-Test certificate according to the directive 2006/42/EG, annex IX
• For safety applications up to PLe / Cat. 4 acc. to DIN EN ISO 13849-1
• Modular and expandable system
• Rugged composite version of stainless steel and FRP design
• Wireless mechanical safeguarding
• Combines the benefits of safety switch, solenoid locking and
key transfer in a single system
• Easy installation through comprehensive accessories
• Protection against lock-in
• Coding level low, medium, high according to DIN EN ISO 14119:2014-03
Features
The unit is particularly suitable for applications with:
• Full body access (lock-in danger)
• Several secured entries
• Single-channel / redundant / diverse safety circuits
• Rugged ambient conditions
• Required access permissions
• These units are also available in stainless steel
Approvals and Markings
Function
Safety switch with forced key removal and electromagnetic blocking of
the key.
The ZRH01BM/K version offers increased stability of the actuator
module. It is also available in accordance with EN ISO 14119:2013
with actuators for low and medium coding levels. The medium coding
level can be retrofitted. The key can be used as part of a key transfer
system or as a personal key, i.e. as protection against confinement and
unexpected restart. Multiple keys make it possible to operate several
units in the system or to protect several people. For this purpose, the
ZRH01BM/K unit can also be extended above the actuator module with
additional key modules. By using personal keys, an escape release
(ISO TS19837:2017) can normally be dispensed with.
Optionally, the version can be equipped without mechanical release or
with emergency release. Padlock modules and key modules can also be
added. Locking modules with emergency unlocking have the designation
ZRN/K module and without auxiliary or emergency unlocking ZRX/K
module.
This unit is also available with integrated command functions.
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SAFEMASTER STS/K Basic unit ZRH01BM/K / 11.01.21 en / 355A
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