型号示例：
DEIF SIREN 212.8 220V AC/DC DEIF
DEIF GmbH TYPE PPU/2/GS, ORDER-NO.061138.10
DEIF see sheet 
频率保护继电器LMR-111D
DEIF GmbH 16K011
DEIF 2EQ96/2 120027120B 120V 120V 560712
DEIF DQ72-x 1200014040C 40V 0-40V 560540
DEIF DQ72-x 1200014001B 60mV 560686
DEIF TYPE:CSQ-3 Land busbar input:115V 0.5mA 50/60Hz gen input:115V<20mA 50/60Hz sync output: 250VAC/24VDC 8A res
DEIF DQ96-x 1200024104B 0-10V 560038
DEIF 2FQ96-x 1200027047A 85-265V 45-55Hz 560260
DEIF TAS-331DG
DEIF WQR96 1232029A 4u 1A V L-L 1p/kWh R1 504206
DEIF EQ96-x 1200022002C 1/2A 560379 
频率保护继电器LMR-111D
DEIF E4-20mA W/O scale 4375 AQ/260 560028
DEIF Type:PFQ96-x Order No.600036645.50 Connection: WC3
DEIF Deif, Type BQ0307 SIZE 72 X 72MM Input 4 -20 Ma Scale -500 to 2500 mmWG
DEIF GmbH SIREN 212.8 220V AC/DC
DEIF PPU/2/GS
DEIF RPM INDICATOR,MODEL:XL96 RPM INDICATOR,MODEL:XL96,INPUT:10-0-10V SINGLE,LOAD:>10K,KMA-4403558,ORDER NO:400018147-120,MAKER:DEIF