® Bussmann Square Body – Accessories Indicator System ® Indicators Typower ZILOX fuses are available with three different indi- cator systems. Visual Indicator The indicator situated in one cover plate is clearly visible as soon as the fuse has operated. The minimum voltage for operating the indicator is 20V. Type T Indicator The indicator is situated on one cover plate with a cover plate tag to accommodate an auxiliary switch. The minimum voltage for operating the indicator is 20V. A special low voltage indicator (1.5V) is available on request. Type K Indicator This indicator is situated on the fuse body. It is covered by an adaptor for snap-on mounting of an auxiliary switch. The operating voltage of the indicator is 1.5V. As a matter of safety, the factory mounted adaptor must not be removed from the fuse. Microswitch The Typower ZILOX fuses with either type T indicator or type K indicator can be equipped with a microswitch for remote electrical indication of fuse operations. All micro- switches have one normally open and one normally closed contact. Ratings are 2A, 250 Vac. 6.3 x 0.8 mm 2.8 x 0.5 mm Indicator Microswitch Lugs Lugs Type 170H0235 ¯ T 170H0236 ¯ T 170H0237 ¯ T 170H0238 ¯ T 170H0069 ¯ K DIN 43 653 DIN 43 620 French Style Flush End US Style Size Type T Type K Type T Type K Type T Type K Type T Type K Type K 170H0236 170H0236 000 170H0238 170H0238 170H0235 170H0235 00 170H0237 170H0237 170H0235 170H0069 170H0235 170H0236 170H0069 170H0069 170H0069 1* 170H0237 170H0237 170H0238 170H0235 170H0069 170H0236 170H0069 170H0069 170H0069 1 170H0237 170H0238 170H0235 170H0069 170H0235 170H0236 170H0069 170H0069 170H0069 2 170H0237 170H0237 170H0238 170H0235 170H0069 170H0236 170H0236 170H0069 170H0069 170H0069 3 170H0237 170H0238 170H0238 4 170H0069 23 170H0069 24 170H0069 The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications. Form No. Page 1 of 1 12-28-98 BIF Doc #720034 SB98107