Bray S70-003, 70 Series, S70-708, S70-006, S70-008 Technical Manual

SERIES 70

ELECTRIC ACTUATORS
TECHNICAL MANUAL

THE HIGH PERFORMANCE COMPANYBRAY.COM

SERIES 70 ELECTRIC ACTUATOR

Technical Manual - Table of Contents

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Battery Backup Unit (BBU) 24V Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Torque and Motor Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Actuator Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Imperial (in) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Metric (mm). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Standard Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Sizes 003-065

Sizes 130-180

All information herein is proprietary, confidential, and may not be copied or reproduced without the expressed written consent of BRAY INTERNATIONAL, Inc.

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The technical data herein is for general information only. Product suitability should be based solely upon customer’s detailed knowledge and experience with their application.
The right to change or modify product design or product without prior notice is reserved.

SERIES 70 ELECTRIC ACTUATOR

Specifications

CONSTRUCTION

Housing ASTM B85 pressure die cast aluminum

Polyester powder coated
Seacorr coated (optional)

Exposed Fasteners Stainless steel

Travel Stops Externally adjustable at both 0 and 90 degrees

Conduit Entries S70-003 to S70-006: 2 x 1/2” NPT or 2 x M20

S70-008 to S70-180: 2 x 3/4” NPT or 2 x M25

Worm Gearing Worm: Chromoly, self locking

Worm gear: Aluminum bronze

Spur Gearing AGMA class 9, nitride hardened alloy steel

Bearings Indicator shaft and motor gear: Permanently sealed ball bearing

Worm shaft: Sintered bronze bushing with heavy duty thrust bearing

Lubrication High temperature synthetic grease

Motor 120/220 VAC: Single phase, reversible, permanent split capacitor induction motor

24V: Permanent magnet-brush DC motor

Capacitor 110/220 VAC: Metalized polyester

Heater Optional, 5 watt PTC style

Terminal Strip Switch Plate: 12 - 22 AWG (2.0 - 0.65mm)

Servo: 14 - 24 AWG (1.63 - 0.51mm)

Torque Limiting Optional, open and close preset at factory

Limit Switches SPDT: 120VAC -10A-1/3 HP

220VAC -10A-1/2 HP
250VDC - 1/4A
12VDC - 2A

PERFORMANCE

Output Torque See Torque Chart

Voltages See Motor Chart

Ambient Temperature -20°F to 150°F (-29°C to 65°C)

Motor Insulation 120/ 220 VAC: Class F, 311°F (155°C) thermal trip at 275°F (135°C)

24V: Class B, slow blow fuse 5A@250VAC

Continuous Duty Will operate continuously at a max. ambient temperature of 104°F (40°C)

Intermittent Duty (25%): One motor-on period followed by three motor-off periods

Manual Operation Pull to engage, push to disengage

Enclosure Designed to meet NEMA Type 4, 4x and IP65 specifications

Certifications UL, CSA and CE approved (most models)

UL approved (USA & Canadian Std) for hazardous location

S70-708 to S70-720: 120VAC
Class I, DIV 1 & 2, Group C, D
Class II, DIV 1 & 2, Group E, F, G

All information herein is proprietary, confidential, and may not be copied or reproduced without the expressed written consent of BRAY INTERNATIONAL, Inc.
The technical data herein is for general information only. Product suitability should be based solely upon customer’s detailed knowledge and experience with their application.
The right to change or modify product design or product without prior notice is reserved.

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