Two position or SPST Spring Return 27 lb-in., 3 Nm, Direct Coupled Actuator

Overview:
The MS8103 is a 27 lb-in (3Nm), spring return direct-coupled, line voltage actuator that accepts two-position (SPST) control for: air dampers, air handlers, ventilation flaps, louvers, and ball valves.

Features:

Brushless DC submotor with electronic stall protection on all models

Self-centering shaft adaptor (shaft coupling) for wide range of shaft sizes

Models available for use with two-position, SPST, line- (Series 40) or low- (Series 80) voltage controls

Models available for use with floating or switched SPDT (Series 60) controls

Models avail able for use with proportional current or voltage (Series 70) controls

Models available with combined floating and modulating control in a single device

Models available with an internal end switch

Access cover to facilitate connectivity

Durable plastic housing with built-in mechanical end limits

Spring return direction field selectable

Shaft position indicator and scale

UL (cUL) listed and CE compliant

All models are plenum rated per UL873