Anti-tamper fittings

SI 1480, 1481, 1490, 1491:
To DIN 18 257, ES 3, and RAL RG 607/6 Backplate thickness 11 or 15 mm
SI 1880, 1881, 1890, 1891:
To DIN 18 257, ES 1, and RAL RG 607/6 Backplate thickness 11 or 15 mm
For DIN fire and smoke check doors:
SI 1480 FS or SI 1481 FS
SI 1870, 1871:
To DIN 18 257, ES 1 for external backplate thickness 15 mm, and RAL RG 607/6
SI 6189: Rectangular anti-tamper escutcheons
SI 6536 and SI 6545: Round anti-tamper escutcheons