Explosion-Proof Strobe Warning Light Factory Sealed, Dust-Ignition-Proof
AST-4
Features
Applications:
- CSA approved for class 1 – div. 1 and 2, groups C,D atmospheres
- Indicator of operating conditions on remote equipment or as a warning of impending malfunction of pumps or machinery
- Industrial warning lights for personal hazards – high noise levels or hard hat areas
- Marine applications include helicopter landing pad flashing lights and navigation warning beacons in classified areas
- Pendant mount only
Features:
- Strobing lights with solid state power supply
- Colorful strobe lights with low power consumption (12 watts)
- Intensity 2,000,000 candlepower (peak)
- Clear impact and heat resistant prismatic glass globe with inner-lens
- Copper-free cast aluminum fixture with a baked epoxy finish for superior corrosion resistance
- Designed for intermittent visual signalling as well as longer duration signalling applications
- Flash rate – 60 flashes/minute- alternate flash rate available
- Flash tube life – minimum 10 million flashes at 60 flashes/minute
- Factory sealed – all joints are flame tight
- Weatherproof and durable strobing lights
Compliances:
- Class I – Div. 1 and 2, Groups C,D
- Class II – Div. 1 and 2, Groups E,F,G
- Class III – CSA Encl. 3 , Temp Code T6
- *Note : Group B Available – See Ordering Information
New -50 C starting and operating temperature
Note: Performance tested to start and operate at -50C
ULC Visual Signal Appliances
Fire Alarm for Use in Hazardous Locations
15-30 VDC input -4 wire Clear Lens Only
Spec Sheet
| Supply Voltage Range | Frequency | Current Range (avg) | Inrush Current (max) |
|---|---|---|---|
| 90 to 130 VAC | 50/60Hz | .118 A to .090 A | .250 A |
| 220 to 250 VAC | 50/60Hz | .072 A to .055 A | .220 A |
| 10 to 30 VDC | – | .8 A to .4 A | 1.30 A |
| 50 to 60 VDC | – | .360 A to .300 A | .820 A |
| 90 to 130 VDC | – | .175 A to .090 A | .250 A |
| 220 to 250 VDC | – | .070 A to .055 A | .220 A |
| 15 to 30 VDC | – | .8 A to .4 A | 1.30 A |
Net Weight: 13.6 lbs (with PM-75)
Temperature Data: -40 C to +85 C (AST-4-S), -50 C to +85 C (AST-4-L)
Ordering Information
| Input Voltage | Lens Colors |
|---|---|
| 90 – 130 VAC | AM – Amber Lens |
| 220 – 250 VAC | BL – Blue Lens |
| 10 – 30 VDC | RE – Red Lens |
| 90 – 130 VDC | GR – Green Lens |
| 220 – 250 VDC | CL – Clear Lens |
| 50 – 60 VDC | PU – Purple Lens |
| 15 – 30 VDC |
NOTE * -S for standard temperature range and -L for low temperature range
| Mounting Options | |
|---|---|
| Pendant – One Hub | PM-75 3/4 HUB |
| Ceiling – Four Hubs and three close -up plugs | CM-75 3/4 HUB |
| Long Bracket – Four Hubs and three close -up plugs | LBM-75 3/4 HUB |
| Short Bracket – Two Hubs and one close -up plugs | SBM-75 3/4 HUB |
| Guard | |
| CG | Cast Guard |
Ordering Example: AST-4-S-10-30-DC-RE-PM-75
ULC Approved: AST-4-L-15-30-DC-CL-PM-75-ULC
Replacement Parts
| Circuit Board | Lenses | |
|---|---|---|
| AST-4-*-90-130-AC-Board | AST-4-Lens-RE | Red Lens |
| AST-4-*-220-250-AC-Board | AST-4-Lens-AM | Amber Lens |
| AST-4-*-10-30-DC-Board | AST-4-Lens-BL | Blue Lens |
| AST-4-*-90-130-DC-Board | AST-4-Lens-GR | Green Lens |
| AST-4-*-220-250-DC-Board | AST-4-Lens-CL | Clear Lens |
| AST-4-*-50-60-DC-Board | AST-4-Lens-PU | Purple Lens |
| AST-4-L-15-30-DC-Board-ULC | ||
| Note * -S for standard temperature range and -L for low temperature range | ||
| Flash Tube: AST-FT 3050 Flash Tube | ||
Tech. Drawing
