PCB Piezotronics ICP EX639A91 Installation And Operating Manual page 22

Certificate: 2781570
Project: 80017956
Type Designation
EX: Intrinsically Safe
6: Product technology
29: Triaxial family
30: Triaxial family
X: Is a letter that signifies family type (any character, no influence to the protection type)
YYY: Is a number that signifies changes to filtering, gain, frequency response, etc. (any character, no influence to
the protection type)
Z: Is a letter that signifies family type (any character, no influence to the protection type)
Entity Parameters Connector Version
Ui / Vmax = 28 V, Ii / Imax = 120 mA, Pi / Pmax = 840 mW, Ci = 15 nF, Li = 0 uH
Entity Parameters Integral Cable Version (maximum 500 ft.)
Ui / Vmax = 28 V, Ii / Imax = 120 mA, Pi / Pmax = 840 mW, Ci = 45.5 nF, Li = 152.5 uH
Class I, Division 1 or 2, Groups A, B, C, D T4
Ex ia IIC T4 Ga
Class I, Zone 0, AEx ia IIC T4 Ga
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Models EX639XYYYZ Series Industrial Triaxial ICP Accelerometer; intrinsically safe with entity parameters as
shown below; must be installed per installation drawing 66562.
Type Designation
EX: Intrinsically Safe
6: Product technology
39: Triaxial family
X: Is a letter that signifies family type (any character, no influence to the protection type)
YYY: Is a number that signifies changes to filtering, gain, frequency response, etc. (any character, no influence to
the protection type)
Z: Is a letter that signifies family type (any character, no influence to the protection type)
Entity Parameters Connector Version
Ui / Vmax = 28 V, Ii / Imax = 120 mA, Pi / Pmax = 840 mW, Ci = 6.06 nF, Li = 0 uH
Entity Parameters Integral Cable Version (maximum 500 ft.)
Ui / Vmax = 28 V, Ii / Imax = 120 mA, Pi / Pmax = 840 mW, Ci = 36.56 nF, Li = 152.5 uH
DQD 507 Rev. 2019-04-30 © 2018 CSA Group. All rights reserved.
Master Contract: 184981
Date Issued: 2020-05-06
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