MODEL NUMBER

4B3-K45-N1-C2A-TTCLC4XX611

HIGH SET POINT = 0.15 MPA

ADJUSTABLE RANGE = 28-520 KPA

OVERRANGE = 5170 KPA

PROOF = 6895 KPA

ELECTRICAL RATING = 15 AMPS AT 250 VAC

------------------------------

4 (Piston) = NO. 4 PISTON

B3 (Housing) = EXPLOSION PROOF/WEATHERTIGHT

ALUMINUM HOUSING, TERMINAL BLOCK, 3/4 INCH NPT

(F) CONDUIT CONN., CLASS 1, GRPS. B, C, D, DIV. 1 & 2

(ATEX EEX D IIC IF 'CL' OR 'ML' OPTION SELECTED),

NEMA 4X/IP66

K (Switch) = SPDT, DEAD BAND FIXED.

45 (Spring) = NO. 45 SPRING

N4 (Diaphragm and O-Ring) = TCP DIAPHRAGM/BUNA-N ORING

C (Pressure Port Material) = 316/316LSST PROCESS

CONNECTION

2A (Pressure Port Size and Type) = 1/2 INCH NPT (F)

CL (Accessories) = ATEX FLAMEPROOF ENCLOSURE

EEXD IIC T6 OR INTRINSICALLY SAFE EXIA IIC T6...T4 GB

AS APPLICABLE

C4 (Accessories) = CERTIFICATE OF

COMPLIANCE/CONFORMANCE

X = 1 SPECIAL OPTION

X611 = VIETNAM REP. CODE AND SOLD IN VIETNAM MARKET