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| Safety Technology - Safety Relays |
MSI-SR1 Safety-Relays Category 3
The safety relay MSI-SR1 is an Emergency Stop switching device and safety door monitor for protecting people from dangerous production processes in accordance with EN 60204-1 Stop 0, and EN 954-1 up to Cat. 3. The MSI-SR1 allows the one- or twochannel connection of safety related signal sources such safety interlocking devices, position switches or safety light grids.
Advantages
Single-channel Emergency Stop wiring according to EN 954-1 Kat. 2
Monitoring of external relays in the push-button circuit
Automatic or manual start
3 switching off paths, 1 normal closed contact as signal circuit
Single channel safety door monitoring according to EN 954-1 Kat.2
Two channel safety light grid monitoring according to EN 954-1 Kat 3
Housing width: 22.5 mm |
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MSI-SR2, MSI-SR2/F Safety-Relays Category 4
The safety relay MSI-SR2 is an Emergency Stop switching device and safety door monitor in accordance with EN 60204-1, Stop 0 and EN 954-1, Cat. 4 for monitoring Emergency Stop push buttons or interlocking devices. The version MSI-SR2/F is equipped with a lower simultaneity monitoring of the input signals (20 ms) as well as a shorter pick-up delay (0,2 s) for use as an interface for optoelectronic protective devices.
Advantages
1- or 2-channel Emergency Stop wiring
2-channel wiring with cross circuit recognition
Monitoring of external relays in the push-button circuit
Monitored start button
Automatic or manual start (1,5 s delay)
2 switching off paths, 1 normal closed contact as signal circuit
LED displays for Power, K1 and K2
Housing width: 22.5 mm
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MSI-SR3 Safety-Relays Category 4
The safety relay MSI-SR3 is an Emergency Stop switching device and safety door monitor intended to protect people from dangerous production processes in accordance with EN 60204-1 Stop-0 and EN 954-1, Cat. 4. The MSI-SR3 is particularly suited for use as a control unit and interface for connecting four-wire or two-wire safety mats/switching strips.
Advantages
2-channel Emergency Stop wiring with cross circuit recognition
Monitored start button
Manual or automatic start (1.5 s delay)
2 switching off paths, 1 normally closed contact as signal circuit
Monitoring of four-wire safety mats (with potential-free normally open contacts)
Monitoring of two-wire safety mats/switching strips (with potential-free normally open contacts)
Housing width: 22.5 mm |
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MSI-2H Safety-Relays Category 4
The safety relay MSI-2H is a two-hand relay in accordance with EN 574, Type III C, EN 954-1, Cat. 4, and a safety door monitor in accordance with EN 60204-1 Stop-0.
Advantages
Two-channel control with cross circuit monitoring
Simultaneity monitoring of 0.5 s
Monitoring of external relays in the feedback loop
2 switching off paths, 1 normally closed contact as signal circuit
LED indicators for Power, K1 and K2
Housing width: 22.5 mm
Two-hand operated relay in accordance with EN 574, Type III C |
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MSI-AC230/-AC115 Power supply units
The power supply units MSI-AC230 and MSI-AC115 are 24-V-power supplies for the MSI family or modular safety interfaces and the sensors attached to them. They are equipped with safe mains seperation and can bridge short-term mains failures of up to 20 ms.
Advantages
230 and/or 115 V power supply
24 VDC, 0,8 A max
can be connected in parallel
Primary/secondary isolation 4 KV
Electromagnetic compability in accordance with EN 50082-2 and EN 55001 Class A
Housing width 35 mm |
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