Instrument Meter Specialties

2108 B West Magnolia Blvd
Burbank, CA 91506
Phone: 800-926-3837 FAX: 818-841-2379

Applications

Conveyors (–OL option)

— Detects jams and overloads.

— Interlocks multiple conveyor sections.

Electronic Proof of Flow (–UL option)

— More reliable than electro-mechanical pressure or flow switches. No need for pipe or duct penetrations.

Pump Protection (–OU option)

— Provides overload (jams) and underload (suction loss) indication.

Features

Self-powered & Self Calibrating

— Speeds start-up, cuts installation costs.

Choose the Operating Style that Matches your Application

— Status monitoring, overload and operating window options.

Universal Output

— AC or DC compatibility with any automation system.

UL, CUL and CE Approval

— Accepted worldwide.

Specifications

Dimensions

Power Supply None — Self-powered

Output Magnetically Isolated Solid-State Switch

Output Rating

N.O. Version: 0.15A @ 240VAC or VDC

N.C. Version: 0.2A @ 135VAC or VDC

Not polarity sensitive

Off State Leakage < 10A

Response Time 200 ms

Setpoint Range

1.5–150A (Fixed Core)

2.8–150A (Split-core)

Setpoint

Overload: +15% of Load (–OL)

Underload: –15% of Load (–UL)

Operating Window: +/–15% of Setpoint

Hysteresis 5% of Setpoint

Overload 500A @ 6 s, 1,000A @ 1 s

Isolation Voltage UL Listed to 1,270VAC (tested to 5,000VAC)

Frequency Range 6–100Hz

Dimensions 3.50" x 2.25" x 1.20", Aperture: 0.74" - 0.85"

Case UL 94V-O Flammability Rated

Environmental –58 to 149°F (–50 to 65°C), 0–95% RH

Listings UL 508 Industrial Control Equipment (USA & Canada), CE (Pending)

Ordering Information

Example: ASM-NOU-OL-SP

AC current operated switch, normally open, self-calibrating overload operation in a split-core case.

ASM Ordering Diagram

Dimensions