2
SGH Series
REVISION # 0002
DATE: 10/09/2012
SPECIFICATIONS
MOTOR
Duty Cycle:
Continuous duty
Horsepower:
1/2 hp, 3/4 hp, 1 hp, 1½ hp, 2 hp
Speed:
1700 RPM
Voltage:
115, 230 – 1 phase
208/230, 460, 575 – 3 phase
230 volt 3 phase motor is suitable for use with 208 volts
Current:
See motor nameplate
ELECTRICAL
Transformer:
24VAC
Wiring Type:
Momentary pressure open, stop, constant pressure close
(provided standard), with provision for momentary pressure close*
Limit Adjustment:
Linear driven, fully adjustable screw type cams.
MECHANICAL
Drive Reduction:
43:1 (1/2 & 3/4 hp), 57:1 (1 & 1½ hp,), 82:1 (2 hp)
Output Shaft Speed:
39 RPM (1/2 & 3/4 hp), 30 RPM (1 & 1½ hp),
21 RPM (2 hp)
Door Speed:
6 - 8” per sec. average (typical)
Brake:
Solenoid actuated brake
Emergency Chain Hoist:
Standard
ENTRAPMENT PROTECTION
Sensing Edge*:
(Optional) Sensing device attached to the bottom edge of the door.
Non-Contact Device*:
(Optional) Photo eye device.
* Per the requirements of UL Standard 325, the door operator is setup for constant
pressure to close the door. As an alternative, the door may be provided with a monitored
entrapment protection device that will reverse the door upon contact with or detection of
an obstruction during closing. Adding an entrapment device would enable momentary
close operation.
*Note:
1. Non-contact device (photo eye) can be used on doors up to 45 ft. wide (or maximum rated range of
device if less than 45 ft.). Use a sensing edge to provide entrapment protection on doors over 45 ft.
wide.
2. Sensing edge can be used on all doors.
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