美国UE双点2XSPDT微差压开关J402K-547-M408  

J402K 型：二个单刀双掷（SPDT）输出；内部可调，无参考刻度 
400系列J402K双点差压开关型号表：
J402K-S147B J402K-S157B J402K-147 J402K-157 J402K-455 J402K-456 J402K-457 J402K-559
J402K-540 J402K-541 J402K-542 J402K-543 J402K-544 J402K-545 J402K-546 J402K-547

全天候系列开关有多种微动开关和多种过程接口的选择，使得400系列开关可以满足各种不同的需求。

由于其自身的特性，400系列广泛应用于保护和控制，工业过程装置及泵，汽轮机，压缩机，纸浆和造纸，水及污水处理等行业。

系列号-型号 设定点可调范围 死区 zd工作压力 耐压 压力接口 接液材料
J402K-540 2.5 to 17.4 mbar 0.5 to 2.5 mbar 13.8 bar 27.6 bar 1/8" NPTF Alum-Buna N-Buna N
J402K-541 5.0 to 49.8 mbar 2.5 to 10.0 mbar 13.8 bar 27.6 bar 1/8" NPTF Alum-Buna N-Buna N
J402K-542 12.4 to 124.5 mbar 2.5 to 24.9 mbar 13.8 bar 27.6 bar 1/8" NPTF Alum-Buna N-Buna N
J402K-455 12.4 to 199.1 mbar 5.0 to 19.9 mbar 15.5 bar 15.5 bar 1/4" NPTF Alum-Buna N-Buna N
J402K-543 37.3 to 248.9 mbar 2.5 to 34.8 mbar 13.8 bar 27.6 bar 1/8" NPTF Alum-Buna N-Buna N
J402K-456 0.1 to 1.4 bar 13.8 to 41.4 mbar 15.5 bar 15.5 bar 1/4" NPTF Alum-Buna N-Buna N
J402K-544 0.1 to 1.4 bar 0.1 to 0.3 bar 82.7 bar 172.4 bar 1/8" NPTF Alum-Buna N-Buna N
J402K-147 0.2 to 2.1 bar 0.1 to 0.3 bar 6.9 bar 12.4 bar 1/4" NPTF Ni Plated Brass-Brass
J402K-457 0.2 to 2.1 bar 13.8 mbar to 0.1 bar 15.5 bar 15.5 bar 1/4" NPTF Alum-Buna N-Buna N
J402K-S147B 0.2 to 2.1 bar 0.1 to 0.3 bar 6.9 bar 20.7 bar 1/2" NPTF 316L st/st
J402K-545 0.3 to 3.4 bar 0.1 to 0.4 bar 82.7 bar 172.4 bar 1/8" NPTF Alum-Buna N-Buna N
J402K-157 0.7 to 6.9 bar 0.1 to 0.4 bar 10.3 bar 12.4 bar 1/4" NPTF Ni Plated Brass-Brass
J402K-546 0.7 to 6.9 bar 0.1 to 0.7 bar 82.7 bar 172.4 bar 1/8" NPTF Alum-Buna N-Buna N
J402K-559 0.7 to 6.9 bar 27.6 mbar to 0.1 bar 15.5 bar 15.5 bar 1/4" NPTF Alum-Teflon-Buna N
J402K-S157B 0.7 to 6.9 bar 0.1 to 0.4 bar 12.4 bar 20.7 bar 1/2" NPTF 316L st/st
J402K-547 1.4 to 13.8 bar 0.1 to 1.0 bar 82.7 bar 172.4 bar 1/8" NPTF Alum-Buna N-Buna N