MA1B CARLO GAVAZZI Selected parameters FUNCTION Emergency stop SAFETY CATEGORY 2 SAFETY OUTPUT 2 NO Others S..

Emergency Stop and Safety Gate Modules
MA1B
• Safety Category 2 according to EN 954-1
• Category 0 Emergency Stop
• 2 NO safety outputs
• 1 NO optocoupled NPN auxiliary outputs
• 24 VCA / VCC power supply
• Self monitoring
• Automatic or manual reset
• Failure diagnosis by LEDs
• Single channel input
• Feedback circuit for external contactors monitoring
Product Description
Ordering Key
MA1B
Emergency Stop and Safety Gatemodulesaccording to EN 60204-1, EN 292-1 /-2, EN
418, EN 1088 and EN 954-1.
Possibility to connect mechan- ical switches or SMS-03 mag- netic switches for safety gate monitoring applications.
Housing Application Controlled Devices Safety Category
Electrical Specifications
Power supply 24 VAC ± 10% 50-60Hz /
24 VDC± 10%
Power consumption< 5 VA / 5 W Input current/voltage 50 mA @ 24 VDC Safety outputs2 NO
Auxiliary outputs1 optocoupled NPN 55V
50mA
Safety output switching
voltage /current /capability 230VAC/8A/1840VA
Safety output
contact fuse protection 6 A fast or 4 A delayed
Insulation voltage2.5 KV for signal parts
4.0 KV for safety output parts: Pollution degree 2
Overvoltage category III
Time SpecificationsEnvironmental Specifications
Delay on energisation ≤ 150 ms Delay on de-energisation≤ 25 ms Recovery time≥ 25 ms Channel simultaneity _
Operating temperature0°C ... + 55°C
Storage temperature -25°C ... + 55°C
Mechanical Specifications
Protection degree terminals IP 20
Protection degree housing IP 30
Max cross section
of external conductors4 mm2 rigid wire
2
Housing materialABS
2.5 mm
flexible wire
Housing type45 mm housing models
MountingDIN rail
Dimensions45 x 75 x 110 mm
Weight 200 g
Specifications are subjected to change without notice (28.04.07) 1