Specifications

WESTLOCK CONTROLS CORPORATION
280 N. MIDLAND AVE., STE. 258, SADDLE BROOK, NJ 07663 TEL: [phone] FAX: [phone]
westlockcontrols.com
4/7/10 TECH-382/D.W.O. 17072 Page 3 of 15
1. Introduction
1.1. Product Certification
764/864/784: Type 4/4X for Non-Hazardous Locations Only
765/865/789: Non-incendive, Class I, Div. 2 Grps A, B, C, D; Class II, Div. 2
Grps F,G; Type 4/4X
711/811/722: Intrinsically Safe, Class I, Div. 1 & 2 Grps A, B, C, D; Class II,
T6, Ta=60C, Div. 1 & 2 Grps E, F,G when operated through approved
barriers; Type 4X.
Max Entity Parameters for VA-30061 & VA-30217:
Vmax=35V, Imax=300mA, Ci=0, Li=0; Installed in accordance with
MS-10312.
Max Entity Parameters for VA-30657-002 & VA-30658-002:
Vmax=28V, Imax=115mA, Pi=1.6W, Ci=0, Li=0; Installed in
accordance with WD-12031.
777/877: Class 1, Div. 1 & 2 Grps C, D; Class II, Grps E, F, G T6 Ta=60C
360/366: Class 1, Div. 1 & 2 Grps C, D; Class II, Grps E, F, G T5 Ta=-50C to
60C, Type 4, 4X, 6P
1.2. Warnings
 Never remove enclosure cover or make/break electrical connections
with power connected to the unit.
 Perform all wiring in accordance with site and local codes and the
National Electric Code ANSI-NFPA-70 (US) or the Canadian Electric
Code Part I (Canada) for the appropriate area classifications.
 Confirm that the Quantum model being installed is approved for the
hazardous area (consult unit identification label).
 Ensure that approved and properly sized IS barriers are used in
installations with 711, 811, 722 and 822 (confirm entity parameters
from product ID label).
 Confirm that power supplied to switches and solenoid is within rated
specifications listed on the unit identification label.
 Protect the unit from exposure to aggressive substances or
atmospheres to ensure that hazard rating is not compromised.
 Disconnect power to solenoids and the inlet air supply before
conducting any valve service or maintenance. Avoid the introduction
of any contaminants into the valve.
1.3. Description
Quantum valve control monitors are intended for use as both visual and
electrical position indicators and controllers for discrete rotary devices, most
commonly pneumatically actuated 2-way quarter-turn or 3-way valves. A
Quantum control monitor is not limited for use in only quarter-turn valve
applications, but that application will be assumed for the purpose of this
document. In addition to the control monitoring features, Quantum control
monitors may serve as wiring junctions for accessories where additional