441-622-015
Type 500X
Page 5
3.2 Dimensional Drawings
(Dimensions are in/mm)
3.3 Intrinsically Safe Operation
3.3.1 ControlAir LLC offers FM Approvals Intrinsically Safe/NEMA 4X
Order input option ‘A’ 4-20 mA and option ‘H’.
Voc OR Vt <V max; Ca> Ci + Ccable
Isc OR It <I max; La> Li + Lcable
ENTITY PARAMETERS FOR MODEL 500-A_H_
Vmax=30V Ci=0
Imax=125mA Li=0mH
Ci IS CAPACITANCE CONTRIBUTED BY THE TRANSDUCER
Li IS INDUCTANCE CONTRIBUTED BY THE TRANSDUCER
9.
FOR NEMA 4X OPTION, ADD H TO THE MODEL NUMBER. ONLY THE STANDARD 1/2NPT CONDUIT IS SUITABLE FOR NEMA 4X INSTALLATIONS.
10. MODELS WITH NEMA 4X OPTION ARE FM APPROVALS APPROVED FOR INDOOR/OUTDOOR USE PER THE REQUIREMENTS OF NEMA 4X AS DESCRIBED IN THE
NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION STANDARD NO. 250 "ENCLOSURES FOR ELECTRICAL EQUIPMENT, 1000 VOLTS MAX".
NOTES:
1.
INSTALLATION TO BE IN ACCORDANCE WITH THE
NATIONAL ELECTRIC CODE, NFPA 70, ARTICLE
504, AND ANSI/ISA RP 12.6.
2.
APPARATUS CONNECTED TO THE SYSTEM SHALL
NOT USE OR GENERATE VOLTAGE
GREATER THAN 250 V.
3.
INSTALL INTRINSICALLY SAFE BARRIERS IN
ACCORDANCE WITH BARRIER INSTRUCTIONS.
4.
FM APPROVALS APPROVED AS INTRINSICALLY
SAFE FOR CLASS I, II, AND III, DIV. 1, GROUPS C,
D, E, F AND G WHEN INSTALLED AS SHOWN.
5.
FM APPROVALS APPROVED AS NONINCINDIVE
FOR CLASS I, DIV. 2 GROUPS A, B, C AND D AND
SUITABLE FOR CLASS II, DIV. 2 GROUPS F, G, AND
CLASS III DIV. 1 AND 2. BARRIERS ARE NOT
REQUIRED FOR NONINCENDIVE RATING. MAX
V=30 VDC.
6.
CAUTION: SUBSTITUTION OF COMPONENTS MAY
VOID FM APPROVALS APPROVAL.
7.
AMBIENT TEMPERATURE RANGE: -30°C TO 60°C.
8.
FM APPROVALS APPROVED AS INTRINSICALLY
SAFE FOR CLASS I, II AND III DIV. 1 GROUPS C, D,
E, F, AND G WHEN USED ASSOCIATED
APPARATUS. THE LINEAR BARRIER PARAMETERS
MUST MEET THE FOLLOWING REQUIREMENTS:
