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型号：KFA5-SR2-EX1.W
类型：安全温度变送器
Switch Amplifier
KFA5-SR2-Ex1.W
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- 1-channel isolated barrier
- 115 V AC supply
- Dry contact or NAMUR inputs
- Relay contact output
- Line fault detection (LFD)
- Reversible mode of operation
- Up to SIL2 acc. to IEC 61508/IEC 61511
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参数表节选：的技术参数 KFA5-SR2-Ex1.W
| General specifications | ||
| Signal type | Digital Input | |
| Supply | ||
| Connection | terminals 14, 15 | |
| Rated voltage | 103.5 ... 126 V AC , 45 ... 65 Hz | |
| Power consumption | 1 W | |
| Input | ||
| Connection | terminals 1+, 2+, 3- | |
| Rated values | acc. to EN 60947-5-6 (NAMUR) | |
| Open circuit voltage/short-circuit current | approx. 8 V DC / approx. 8 mA | |
| Switching point/switching hysteresis | 1.2 ... 2.1 mA / approx. 0.2 mA | |
| Line fault detection | breakage I ≤ 0.1 mA , short-circuit I > 6 mA | |
| Pulse/Pause ratio | min. 20 ms / min. 20 ms | |
| Output | ||
| Connection | terminals 7, 8, 9 | |
| Output | signal, relay | |
| Contact loading | 253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load | |
| Energized/De-energized delay | approx. 20 ms / approx. 20 ms | |
| Mechanical life | 107 switching cycles | |
| Transfer characteristics | ||
| Switching frequency | < 10 Hz | |
| Directive conformity | ||
| Electromagnetic compatibility | ||
| Directive 2004/108/EC | EN 61326-1:2006 | |
| Low voltage | ||
| Directive 2006/95/EC | EN 61010-1:2010 | |
| Conformity | ||
| Electromagnetic compatibility | NE 21:2006 | |
| Protection degree | IEC 60529:2001 | |
| Ambient conditions | ||
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) | |
| Mechanical specifications | ||
| Protection degree | IP20 | |
| Mass | approx. 150 g | |
| Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 in) , housing type B2 | |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 | |
| Data for application in connection with Ex-areas | ||
| EC-Type Examination Certificate | PTB 00 ATEX 2081 , for additional certificates see www.pepperl-fuchs.com | |
| Group, category, type of protection |  II (1) G [Ex ia] IIC, II (1) D [Ex ia] IIIC |
|
| Directive conformity | ||
| Directive 94/9/EC | EN 60079-0:2009, EN 60079-11:2007 , EN 61241-11:2006 | |
| International approvals | ||
| FM approval | ||
| Control drawing | 116-0035 | |
| UL approval | ||
| Control drawing | 116-0145 | |
| CSA approval | ||
| Control drawing | 116-0047 | |
| IECEx approval | IECEx PTB 11.0031 | |
| Approved for | [Ex ia] IIC , [Ex ia] IIIC , [Ex ia] I | |