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Load cell Applications Sensing Device Product Accessories

Zener barrier Z961/Z964 (before 2011)


Safety barrier for load cell to be used for intrinsic safety explosion proof weighing system.
Meets the intrinsic safety explosion proof requirement of Technology Institution of Industrial safety in Japan.
The type of Z951/Z964 to be applied is different in the model passed before 2011 and the model passed after 2012.


Specification name Specification contents Specification contents2
Parts No. Z961 Z964
Rated voltage DC/AC6.5 DC/AC10.0 V
Leakage currect 10 μA 10 μA
Zener rated voltage 8.1 V 11.7 V
Internal rated fuse 100 mA 50 mA
Max. voltage of circuit 17.4 V 24.8 V
Max. current of circuit 178 mA 25.3 mA
Min. resistance value for limited current 98 Ω 980 Ω
Operatinal temp. humidity range -20 ℃ ~ 50℃, 90 %RH or less (Non condensing) -20 ℃ ~ 50℃, 90 %RH or less (Non condensing)
Permissible temp. humidity range -40 ℃ ~ 80℃, 95 %RH or less (Non condensing) -40 ℃ ~ 80℃, 95 %RH or less (Non condensing)
Weight Approx. 142 g Approx. 142 g
Applied model (Before 2011) C2B1, C2D1, C3B1, CB004, CB14, CBC1, CBE1, CC002, CC010, CCP1, CCP1A, CCR1, CCR1B, CCS1, CMM1, CMP1, PRC, STD, T3B1, TCP1, TCP1A, U2D1, U3B1, U3S1, UMM1

Item list

Item Rated voltage (DC/AC)
Leakage currect
Zener rated voltage
Internal rated fuse
Max. voltage of circuit
upper limit
Max. current of circuit
lower limit
Minimum current controlling resistance value

Option(Socket) P/No.

  • ZH-Z.ES
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