Honeywell Damper Actuators ML8115A1005/B, ML8115A1005/U, ML8115B1004/B, ML8115B1004/U

ML8115

Honeywell ML8115 direct coupled actuators provide damper control by accepting on/off signal from a single-pole, single-throw controller. Built to operate smoke control systems requiring UL555S ratings up to 350F.

Fast-Acting, Two-Position Actuator - 30 lb-in, Spring Return CCW, 24 Vac ±-20%

Overview

Features

Integral spring return
Efficient electronic circuitry eliminates need for limit switches
Ninety-five degree angle of rotation for tight damper closure
Die-case aluminum housing allows flush mounting to damper
Integral junction box with three conduit openings eliminate separate wiring box
Mounts to 3/8- or 1/2-in. round or square shaft

Product Specifications

Application: Fire and Smoke
Dimensions (in.): 7.5 in high x 5.13 in wide x 3.32 in deep
Dimensions (mm): 192 mm high x 129 mm wide x 84 mm deep
Weight (lb): 6 lb
Weight (kg): 2.72 kg
Materials: Aluminum housing
Comments: Integral junction box with three 7/8 in. conduit openings (fittings not included)
Mounting: Direct Coupled
Frequency: 50 Hz; 60 Hz
Approvals, Underwriters Laboratories Inc.: UL873, Plenum Rated
Electrical Connections: Two color-coded leads
Operating Humidity Range (% RH): 5 to 95% RH, non-condensing
Supply Voltage: 24 Vac ±20%
Power Consumption: Driving-- 16 VA, Holding-- 8 VA
Shipping and Storage Temperature Range (F): -40 F to 140 F
Shipping and Storage Temperature Range (C): -40 C to +60 C
Approvals, CE: 89/336/ECC, 73/23/EEC
Approvals, Canadian Underwriters Laboratories Inc.: cUL C22.2 No. 24-93
Ambient Temperature Range (F): 0 F to +130 F
Ambient Temperature Range (C): -18 C to +55 C
Approvals, C-Tick: N314
Environmental, Electrical or Ingress Protection Rating: NEMA 1
Internal Auxiliary Switch: 0
Maximum Noise Rating: Driving (dB(A) @ 1m)-- 65; Holding (dB(A) @ 1m)-- 20 (no audible noise)
Stroke: 95 ±3 degrees
Shaft Dimensions (in.): 3/8 to 1/2 in. square or round
Actuator Type: Damper
Control Signal: SPST; Two position
Fail Safe Mode: Spring Return
Torque Rating (lb-in.): 30 lb-in.
Torque Rating (Nm): 3.4 Nm
Spring Return Torque/Force (lb-in., lbf): 30 lb-in.
Spring Return Torque/Force (Nm, N): 3.4 Nm
Additional Torque Ratings (lb-in.): Maximum Stall-- 150 lb-in.; Minimum Driving at 350 F-- 30 lb-in.
Additional Torque Ratings (Nm): Maximum Stall-- 17 Nm; Minimum Driving at 175 C-- 3.4 Nm
External Auxiliary Switches Available: Yes, 32003532-005
Timing, Nominal: Driving @ 60 Hz-- 18 sec, 25 sec maximum
Spring Return Timing: Maximum-- 15 sec
Shaft Adapter Type: Aluminum Hub, two set screws
Shaft Dimensions (mm): 10 to 13 mm square/round
Spring Return Direction: CCW
Electrical Connections (in.): 16 in.
Electrical Connections (mm): 406 mm

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