2010/10/08 Caterpillar


A Slave Relay Should be Used for Customer Connections to EMCP 3 On Certain Generator Sets {4490}

Usage:

3412C 4BZ


Electric Power Generation:
C4.4 GEN SET (S/N: NCD1-UP; D4B1-UP; D4D1-UP; NCE1-UP)
3412 GENSET (S/N: 4BZ1-UP)
3512 GEN SET (S/N: ZAF1-UP)
3512B GENSET (S/N: ZAH1-UP)
3516B GEN SET (S/N: ZAP1-UP)
3516C GEN SET (S/N: SBK1-UP)
C1.5 GEN SET (S/N: NCA1-UP)
C3.3 GEN SET (S/N: NCC1-UP; N3C1-UP)
C6.6 GEN SET (S/N: SDA1-UP; N6D1-UP)
Generator Set:
3406C GEN SET (S/N: C2G1-UP; C8G1-UP; C2Y1-UP)
C15 GEN SET (S/N: C5E1-UP; C5H1-UP; C5L1-UP; X4R1-UP; CYY1-UP)
C15 PET GS ENG (S/N: PET1-UP)
C18 GEN SET (S/N: C6C1-UP; G4C1-UP; STM1-UP; EKW1-UP)
C27 GEN SET (S/N: DWB1-UP)
C32 GEN SET (S/N: SXC1-UP)
C9 GEN SET (S/N: C9E1-UP)
Engine News SEBD9644, 12 04 2010, "A Slave Relay Should be Used for Customer Connections to EMCP 3 On Certain Generator Sets". Discard this article. See the replacement article that follows.

EMCP can be damaged by attaching any circuit to EMCP family of A form or C form relays that exceed 2A at 28 V DC. If there is a need to attach a circuit that exceeds 2A at 28 V DC, a slave relay should be used. A configuration of a slave relay ensures that the maximum rating of the EMCP 3.X relay is not exceeded.

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