Description
Key Features
- Resettable element instead of break glass
- Supplied with backbox for surface mounting
- ‘Plug and Play’ terminal block installation – reduces installation time
- Red version approved to EN54-11 standard
Product Information
| Version | Color | Part No. |
|---|---|---|
| Indoor | Red | 55100-001 |
| Indoor | Yellow | 55100-002 |
| Outdoor | Red | 55100-003 |
| Outdoor | Yellow | 55100-004 |
Mechanical Construction
Moulded in polycarbonate or ABS, depending on function.
Dimensions & Weight
- Indoor: 93 × 89 × 59.5 mm, 180 g
- Outdoor: 93 × 97.5 × 71 mm, 350 g
Operating Principles
The call point consists of a 470 Ω resistor in series with a normally open switch. Activation closes the circuit; reset by inserting the test key into the bottom until it clicks, then pushing the front cover up until it clicks home.
Technical Data
| Max Supply Voltage | 30 V DC |
|---|---|
| Switch Rating | 2 A |
| Operating Temp (Indoor) | –10 °C to +55 °C |
| Operating Temp (Outdoor) | –25 °C to +70 °C |
| Humidity | 0–93 ±3 % RH non-condensing |
| IP Rating (Indoor) | IP24D |
| IP Rating (Outdoor) | IP67 |
Compliance & Certification
- EMC Directive 2004/108/EC
- Red version complies with EN54-11:2001
Ordering Information
| Model | Element | Mounting | Markings |
|---|---|---|---|
| MUS1A-R470FG-01 | 470 Ω Resistor & N/O 30 V DC | Flush Glass | EN54-11 |
| MUS1A-R470FF-01 | 470 Ω Resistor & N/O 30 V DC | Flush Flexible | EN54-11 |
| MUS1A-R470SG-01 | 470 Ω Resistor & N/O 30 V DC | Surface Glass | EN54-11 |
| MUS1A-R470SF-01 | 470 Ω Resistor & N/O 30 V DC | Surface Flexible | EN54-11 |
| MUS1B-R470SG-01 | 470 Ω Resistor & N/O 30 V DC (SAV) | Surface Glass | EN54-11 |
| MUS1A-R680FG-01 | 680 Ω Resistor & N/O 30 V DC | Flush Glass | EN54-11 |
| MUS1A-R680SG-01 | 680 Ω Resistor & N/O 30 V DC | Surface Glass | EN54-11 |
Accessories
- SC070: Pack of Ten Test Keys
- KG1×5: Pack of Five Glass Elements
- PS210: Flexible Operating Element
- PS200: Plain Hinged Cover
- SC071: Pack of Ten Terminal Blocks
